Qnap delete raid group. RAID groups that are registered as Extreme Cache Pools.

Qnap delete raid group Copy the data from the 1x 4TB to the RAID 5 storage pool & volume. At the end of the day it's just visual gargabe, at least by now How can i remove those RAID Groups? Thanks in advance! Best Expanding a Storage Pool by Adding a New RAID Group. Select the pool and click on "Manage" In the storage pool management window, click on "Remove” > “Remove Pool” To not have the old drives go to waste I added them to the final bays and I was unable to add them to first raid group. SSDs) I want to remove the M2. It does not help in the event of disk failure. QTS scans the sectors of a RAID 5 or RAID 6 group and automatically attempts to repair any detected errors. " probably indicates trouble as it seems to be missing two spots. Jan 16, 2019 · Recovering a RAID Group with the Status “Degraded” Reinsert each removed disk into the same drive bay that it was removed from. Disks seems to be ok, no hard disk was changed, I didn't noticed any errors. $ lsblk Will tell which disks you have available currently; i suggest to run it BEFORE you connect the "USB-caddy", and then just after connecting, probing the difference between those two runs. The storage capacity of a RAID 1 disk volume is equal to the size of the smallest hard drive. Dann das zweite Raid entfernen, das sollte gehen. But starting since 2 or 3 weeks ago, I noticed that the raid group starts syncrhonizing and I don't get why. The only way to get a RAID 10 containing all your disks disks would be to backup all data and to reinitialize the storage from scratch. Apr 21, 2023 · Threaded Mode. Nov 5, 2019 · I've been looking for a while but i didnt find any option like "remove disks" or "delete RAID 1". If the faulty disk is disk 1~4 (system disks) , you can just replace the disk directly. The first two steps went great, as I removed the Volume and the Storage Pool. Jan 17, 2017 · Yesterday I started to "play" with my first Qnap (TS-653A), everything fine so far so at the end of the day I turned off. I was then thinking I'd be able to remove the original raid group from the volume and then blow it away and remove the drive. Storage Pools. Earlier: Jul 17, 2018 · Now I want to remove that and config a RAID 10 config. All data in RAID Group2 is backed up so one-by-one drive replacement is not the issue. Ich habe einen Speicherpool mit zwei Raid-Gruppen (6x6TB und 2x4TB) angelegt. Thus be left with 3x3TB drives containing the default shares. Sep 7, 2016 · Now, i can no longer reuse this ssd, as it belongs to an inactive raid group 3. Select a disk to replace. Are you sure you want to continue?" (QTS 4. As it does not show up on the volume amanger, so i cannot remove it. Mar 23, 2018 · Ich habe ein QNAP TS-853 Pro. 2’s for ‘system’ pool and on hero systems for ZILwriteLog, but numerous times on raid6’s and a couple times on raid5’s I’ve done the ‘occasionally drop in larger disks as budget allows until last member disk has been replaced with the larger size and and when You can change the RAID type of an existing RAID group online, without losing access to data or any interruption to NAS services. Nov 22, 2018 · At this point you may remove the disks that made up this storage pool from your NAS and insert it to another NAS. usunąłem wolumen i pulę pamięci, i chciałem na nowo utworzyć wolumen prosty. (shouldn't matter but just in case. 2. For details, see Removing a RAID Group on a RAID Enclosure . I know the TR-004 does not support in-place expansion, so my plan was to remove the Volume, remove the Storage Pool, remove the RAID Group, then create a new RAID Group that utilizes the larger drives. Description. Use RAID and external backups. Mode. Jan 20, 2020 · I added the 2x1TB as cache acceleration, but after thinking about it that seemed silly. Oct 15, 2020 · SOLUTION we performed that corrected the issue. RAID 5 and RAID 6 can be expanded by adding disks as well as replacing them with larger. Disk 2 died over the weekend. As mentioned in previous comment. This is an unrecoverable condition. Assign the disk as a global hot spare for all RAID groups within the same enclosure (NAS or expansion unit). 4x 2TB Samsung F3 (HD203WI) RaidZ1 ZFS + 8gb ddr3 Crucial [^] QNAP TL-D400S 2x 4TB WD Red Nas (WD40EFRX) 2x 4TB Seagate Ironwolf, Raid5 [^] QNAP TS-509 Pro w. Remove the disk from its RAID group. 4. The Remove Pool window opens. Ansonsten wäre ich wie folgt vorgegangen: Ersetzen der Platten des 1. Then you can do the same with the RAID Group #2. (Technically there is enough storage available in raid_group_1 to take all the data from raid_group_3) Worst case scenario could I mount raid_group_3 in another storage pool, pour the data across, and re-add it? RAID scrubbing helps maintain the consistency of data on the NAS. And then would recreate this storage pool with the correct drives (recreating raids) and then a new volume on that. Go to Storage & Snapshots > Storage > Disks/VJBOD > Disks, select a disk, and click Action > Disable Spare. 2) "Selected" means effectively "selected with a checkbox in the previous screen", so it does not concern drives already in use in the storage pool. one you wish to go on using). Storage & Snapshots RAID Group [Storage & Snapshots] Failed to recover RAID group 2. RAID Group 2 can be considered as blank/empty. To prevent data loss, stop all read and write access to the enclosure before performing this task. Print view Assigning a hot spare gives extra protection against data loss. IF they wants to stop the "RAID group degraded" warnings, they need to do two more steps. At the moment, after 2 hours, the process is at 0. Remove Disk. How do I delete the first RAID group and only use the second one? ---- Aug 17, 2016 · Die Frage wäre, wo liegt das System? Ich vermute genau auf dem Raid, welches Du auflösen möchtest (#1). After rebuilding finishes, the status of all affected storage pools, volumes and LUNs return to normal. Apr 18, 2019 · 3 x 8 TB drives in a RAID 5 setup 1 x 4 TB spare drive or SSD drive for caching My plan is to replace 3 of the 4TB drives with new 8TB drives and than remove the 4th drive. Long story short, I'm trying to reset a QNAP TVS-871 that previously had a RAID array with seven drives. If a hard drive in a specific RAID group fails, the RAID group will be automatically rebuilt with the hot-spare and the remaining healthy drives to ensure continuous system operation. On the new NAS, go to Storage & Snapshots > Storage > Disks/VJBOD . Aug 13, 2017 · How can I join a RAID5 and 'single' raid group together within one storage pool. QTS automatically starts to rebuild the RAID group. If a disk in any RAID group on the device fails, the hot spare disk will automatically replace the faulty disk. RAID groups that are registered in TPPs or FTRPs. 1. Mar 25, 2023 · Storage & Snapshots RAID Group [Storage & Snapshots] SSD cache RAID group "2" is inactive. Copy all the data from the degraded RAID 1 group to the new "Single" group. Aug 18, 2015 · When you want to grow, add say four HDD to the RAID Group #1, migrate from RAID5 to RAID6 if it's not already in place and expand the RAID Group. Ich würde nun gerne die Raid-Gruppe mit 2x4TB aus dem Speicherpool entfernen und noch zwei weitere 6TB Platten zur anderen Raid-Gruppe… Select a RAID group of type: RAID 1, RAID 5, RAID 6, RAID 10. Ich habe das aber mit einem Cat1 NAS nie gemacht. 7+2+1 Total 42tb. Still using the original eight 6TBs in the same order. This can occur if the number of faulty disks exceeds the Windows will allow you to format your raid into EXT4 format. ) 2. Click on “Apply” and confirm. These alerts indicate that the volume is considered barely mounted or the RAID group is in a dangerous status and the status may change to Not Active at any moment. For details, see Configuring a Global Hot Spare. All data storage consists of both the primary storage and the backups. Delete and rebuild a RAID 5 storage pool & volume onto 3x 2TB disks. Configure a new storage pool/volume with less disks. Dec 6, 2013 · Hi, I've a TS-EC1279U-RP with 12 disks in RAID 6, since I cannot add any disks I would like to remove one disk from the RAID group and assign it as a spare disk. Sep 29, 2021 · I'm unable to delete factory RAID GROUPS in a TL-D800S. e. Just do not attempt to manage the raid or drives via the NAS, always do that stuff through the external raid manager. If you get a failed disk in RAID 1, you just need to replace it. When several disks are removed or disconnected Configure a global hot spare disk for the RAID device. You can read and write to the TR-004 just find through the Qnap NAS. 1. RAID will protect you from disk failure, keep your system running, and data accessible while the disk is replaced, and the RAID rebuilt. Select a storage pool or single static volume, and click on “Manage” Select a RAID Group and click on “Manage” > “Configure Spare Disk” Select the drive you want to configure as spare disk. You can run RAID scrubbing manually, or on a schedule. Volumes can grow (by growing thin allocated volumes, by manually enlarging fat allocated There are two raid groups in volume1 7 - 6tb drives in a raid 6 configuration in group 1 3 - 3tb drives in a raid 5 configuration in group 2 I would like to upgrade my 3tb drives to 6tb and move them into group 1, removing group 2, with a hot spare. Delete the RAID group. If it was a RAID 0, you cannot do anything. 1%. Disable spare. What is the proper procedure, Jun 22, 2021 · If using a RAID 10 and wanting to add disks to a pool, you need to add them as separate RAID groups like you have done now. Dec 12, 2019 · Remove the disk having a warning as described above and allow the RAID time to rebuild onto the hot spare (RAID group status become Ready). Feb 16, 2024 · The easiest way to check the RAID status is done with md_checher, which should be on your QNAP by default (my old QTS4 QNAP and newer QTS5 QNAP had it both installed): md_checker In my case this generated a list like this, where the "AAAA. Sep 4, 2020 · If this still doesn’t work, please help to open a ticket by QNAP Service Portal. Install a hard drive on the NAS. To create a RAID 1 array, a minimum of 2 hard drives are required. This would be the new system volume? Dec 14, 2022 · why QNAP remove two disks from RAID5only to create a disaster hazardanyway QNAP support made a remote session and told us: I recovered RAID and data access on volume in Read-Only. Aug 22, 2018 · Submit QNAP Support Ticket - QNAP Tutorials, FAQs, Downloads, Wiki - Product Support Status - Moogle's QNAP FAQ help V2 Asking a question, include the following (Thanks to Toxic17) QNAP md_checker nasreport (release 20210309) Dec 7, 2023 · To manually replace a faulty disk, follow the relevant steps below according to the RAID type of the RAID group. I was hoping it's one button. I had to use my backup when I purchased larger drives in the hope of going from raid 5 to raid 6. The failing NVME drive was in its own RAID group (Raid group 1), and I have the main 8 drives on a second RAID group (Raid Group 2). Now I have added a new 4TB disk to the NAS and I want to do the following: 1) Remove or delete the RAID1-group without losing data. Open Storage & Snapshots on the other NAS and navigate to Storage > Disks. Mirros nach und nach, dadurch müsste sich auch das Volume vergrößern. Dec 23, 2019 · Questions about SNMP, Power, System, Logs, disk, & RAID. I dont know if that option its for remove raid 1 and have 2 separate disks again but its disabled . 2) Create a new volume with a total storage capacity of 12 TB (3 x 4TB) preserving the existing data from the RAID1-group. Set as Enclosure Spare. This operation can be performed while the storage pool is online and accessible to users. No additional HDDs after the Recover RAID Group. Turn off QNAP. With the beauty of windows being able to read the data in a stand alone manner. Jan 27, 2016 · RAID have never ever been a replacement for backups. RAID group will start to rebuild. I - Using md_checker Command To expand the RAID group you replace one of the group's member disks with a higher-capacity disk, wait for the RAID group to rebuild, then repeat until all of its disks have been replaced. Storage & Snapshots Storage Pool [Storage & Snapshots] Failed to activate metadata for thin storage pool 1. Remove the drives containing the storage pool from the NAS. Jun 25, 2017 · Some time ago I noticed a strange problem: my raid is build and setup for an year or something like that. Jan 31, 2015 · charette wrote:QNAP should really consider adding a "Re-Sync" or "Remove missing/broken RAID Group" button it should just be one of the action options when the group reports inactive it could be accompanied by a warning message Jan 27, 2016 · RAID have never ever been a replacement for backups. How do I remove it from the Raid group without messing up all the data on Disk 1? In Storage/Snapshops, I want to remove the failed disk and add a new 500gb disk for some extra storage. Disk 1 is my main disk almost full of family photos/videos and Disk 2 was the RAID copy. Był na nich utworzony gruby wolumen, jednak chciałem to zmienić na prosty. If you have a hard drive which has already been formatted as single disk volume on the NAS, you can configure this hard drive as the spare drive. Copy the data back to the new volume. About QNAP External RAID Devices. Storage Pools can be extended by adding additional RAID Group(s) of the same redundancy. RAID groups that are registered as Extreme Cache Pools. Select a RAID group of type: RAID 1, RAID 5, RAID 6, RAID 10. Disable Network Recycle bin. Sep 29, 2021 · Hi! I'm unable to delete factory RAID GROUPS in a TL-D800S. So I made them into a second raid group but now I'm unsure how I will be able to increase raid group 1 as I obtain new drives and decrease raid group 2. Today 04/07 we tried to call QNAP US tech support. Is there a way to do this without destroy the RAID? Thanks in advance > Remove RAID Group Delete the RAID group. ) 4. Remove the volume and storage pool. And use backups- Applicable Products: Storage &amp; Snapshots If you want to configure a disk as the spare disk of a RAID group, follow th Important: RAID recovery only helps when disks are temporarily disconnected and then reconnected. If one or more disks fail within a RAID group but the RAID type of the group can tolerate that number of disk failures, then the RAID group enters degraded mode. 4x 1TB WD RE3 (WD1002FBYS) EXT4 Raid5 [^] QNAP TS-253D (Truenas Scale) [Mobile NAS] TBS-453DX w. Backup your data then on every disk run SMART Complete Test and bad blocks scan. To delete a VJBOD Cloud volume, use the VJBOD Feb 1, 2016 · Witam W qnap 671 miałem macierz raid1 z 2 dysków. No matter which menu i go into there's no option to delete or remove raid group 1, 3 and 4 -- so what am i doing wrong? All of them except for the 10 TB are empty atm. May 16, 2018 · RAID Group 1 = 428 GB (4x250GB SSD) RAID Group 2 = 21 TB (8x4TB HDD) RAID Group 3 = 14 TB (4x8TB HDD) RAID Group 4 = 446 GB (4x240GB M2. How to remove a Storage Pool: Go to Storage & Snapshots > Storage > Storage/Snapshots. Powered by phpBB Sep 10, 2019 · [Backup] QNAP TS-653A (Truenas Core) w. RAID groups that are registered as REC Disk Buffers. After backup is finished, remove the volumes and/or pool on the faulty RAID volume. Aug 29, 2018 · Now they can use both disks for storage. Add a new or at least known non-faulty disk in the now empty disk bay. When deleting a RAID group where volumes are registered, delete the volumes in advance. Oct 23, 2020 · Once the RAID group is configured, it is not possible to reduce the number of disks in it (outside of spare disks). Then I found I couldn’t do that as all 5 bays were used in Apr 7, 2022 · To continue, insert the original disks into the NAS and recover the pool again, or delete the pool and create a new one. Just remove and recreate the RAID. So I decided I might as well get rid of Raid group 2 but it is now You can change the RAID type of an existing RAID group online, without losing access to data or any interruption to NAS services. 2x Crucial MX500 500gb EXT4 raid1 Network Apr 27, 2021 · The RAID1-group contains data which I do not want to lose. May 1, 2015 · The system dialog box says exactly "All the data on the selected hard drive(s) will be erased. This mode is the most secure but can take a long time to finish. Is there something wrong? Can I stop the process? Feb 26, 2018 · My thoughts are to change to RAID 5 and have 3x 2TB disks, and setup a new storage pool RAID 5 with the 3x 4TB disks. Select the new drive and click Apply Your RAID will now start rebuilding and normal operation will be resumed after it’s completed. Disable Spare <frameset rows="100,*" frameborder="0" framespacing="1"> <frame name="hmheader" marginwidth="0" marginheight="0" scrolling="No" noresize src="qnap_online_user_manual Expanding a Single Static Volume by Adding a New RAID Group. (we only had 1 if you have more ensure they all go back exactly the same. Nov 16, 2024 · Backup your raid1 data if you haven’t and open a ticket with support. The statuses of all storage pools using the RAID group change to Inactive. <frameset rows="100,*" frameborder="0" framespacing="1"> <frame name="hmheader" marginwidth="0" marginheight="0" scrolling="No" noresize src="qnap_online_user_manual I have a qnap ts-251 with 2 1tb disks. So I removed the cache acceleration and made that its own RAID group to add to the storage volume thinking it would be trivial to move the data off the 2x500GB RAID group wrong. Install the drives in the new NAS. Remove (or fail) a single RAID group and suddenly you have a big hole in your data-store. May 6, 2023 · Four (4) WD Red 4TB drives in RAID10, RAID Group 1, drive bays 1-4 I eventually added more storage: Two (2) WD Red 4TB drives in RAID1, RAID Group 2, drive bays 5-6, added this group to my single storage pool using the max capacity Mar 30, 2022 · In the volume management window, click on "Remove" to open the Volume Removal Wizard. When I removed and wiped the single failing NVME drive, it removed RAID group 1, but I still have a functioning Raid group 2. Regards, TVS-1282T3 Sep 20, 2019 · If your storage pool consists of multiple RAID groups, then your data will span those RAID groups. Jul 28, 2023 · System log entry: RAID group X is degraded, the RAID group has been set to read-only. Print view Mar 10, 2019 · > Remove RAID Group Delete the RAID group. You can change the RAID type of an existing RAID group online, without losing access to data or any interruption to NAS services. Manage > Remove. Jan 16, 2021 · Message: [Storage Manager][RAID Group 1] Not all disks are assembled (Missing Host Drive: 5). Expand the capacity of the raid 5 setup and than reducing the raid setup to 3 drives instead of 4. I replaced all 4 drives with larger ones. The questions is, is that possible? Questions about SNMP, Power, System, Logs, disk, & RAID. Disable all hot spares and global hot spares assigned to the RAID group. Mar 30, 2022 · How to configure a RAID Group Hot Spare: Go to Storage & Snapshots > Storage > Storage/Snapshots. Check each Feb 9, 2015 · I would have thought I could create another pool (raid group) with the 3x3TB drives in RAID5 and then expand the volume to include the new raid volume. Storage pool: 256. Jul 17, 2018 · A non-RAID configuration (including RAID 0, which isn't really RAID) with a backup on a separate media protects your data far better than any RAID-volume without backup. On Qnaps, the only raid1’s I use are all on M. Post Reply. (this because I want to remove the last raid group from this pool). Is this a new "feature" of the newer firmware? Sep 9, 2020 · Select the degraded RAID group section and click “Manage” and then “Configure Spare Disk”. I - Using md_checker Command To Get İnfo About RAID; II - Fixing RAID With Usign AFR Command (Safe Way) III - Fixing RAID With Using CFR Command (Warning, Dangerous) . Jun 22, 2021 · If using a RAID 10 and wanting to add disks to a pool, you need to add them as separate RAID groups like you have done now. Dec 24, 2018 · Use the forum search feature before posting. Creating a RAID Group on a RAID Enclosure Warning Creating a RAID group causes the RAID enclosure to temporarily disconnect then reconnect. Jan 17, 2018 · I would delete Storage pool 1 and the system volume. I am not worried at all about data on the drives - all I want to do is find a way to basically erase/reset the remaining five drives such that a new Aug 17, 2015 · RAID Group 1 RAID Group 2 - RAID Group 3 HDD HDD HDD HDD - HDD HDD HDD HDD - HDD Broken/failing HDD can be replaced. Complete. All data on shared folders and LUNs in affected storage pools becomes inaccessible. If the faulty disks is not disk 1~4 (system disks) , you will need to initial the disk first. Important: RAID recovery only helps when disks are temporarily disconnected and then reconnected. The global hot-spare drives can also be shared across multiple RAID groups. Note: All data will be removed, make sure the data has been backed up. RAID recovery enables you to recover a RAID group in the event of accidental disk removal or SATA connector failure. Back up all the files immediately. Now I have all three in the same storage group and no cache acceleration. Without backups on a different system (preferably placed at another site), you will eventually lose data! A non-RAID configuration (including RAID 0, which isn't really RAID) with a backup on a separate media protects your data far better than any RAID-volume without backup. Confirm the removal by clicking on “Apply”. We created a QNAP ticket Q-202204-02083 2022-04-05, but nobody responded. Open QNAP Pro Finder and select "Settings" "Connect Via SSH". RAID Groups can be migrated or extended. The group must be of type: RAID 1, RAID 5, RAID 6, RAID 10. If one of more disks fail in a RAID group, but the number of disk failures is within the tolerance of the group's RAID type,then the following events occur: The statuses of the RAID group and its storage pool change to Degraded . Two of those drives died, and the others have been removed and reinserted in random order. Jun 4, 2016 · RAID Group 1 is a RAID-5, which is what I want, and want to keep the data on that RAID group (important). Does anyone have a step by step guide for that? To remove RAID config to be able to create new RAID configs is a key for me, because I plan to test at least RAID 10, 5 and 6, and get metrics from each one before to decide which one I will finally use for production. Is it possible to use mixed mode as a striped raid5,6and 10 all together in storage pool? Jan 11, 2023 · All RAID types except for RAID 0 can tolerate a certain number of disk failures without losing data. 3. Up to 128 RAID groups can be deleted at once. Select Manage > Replace Disks One by One. For details, see Configuring a Spare Disk. This morning when I restart it, autonomosly the system started a process of synchronization of the RAID group. Hind-sight being But now all of a sudden i can't remove any of them from the pool. Unassigns the disk as a global hot spare. Delete the RAID 1 group, and configure the disk as another static volume or storage pool with type "Single" Feb 5, 2023 · Important: make sure you are 100% sure about the device name for the disk; you do NOT want to do this on a "live" disk (i. Your NAS will beep to indicate that the disks have been removed. So I then put the brand new disk in there, and it seems to know it's there but it's still not incorporating it and healing the RAID. Removes the disk from its RAID group. If you want to remove one or more disks, you may: Backup data outside of the RAID. When selected no RAID group information, RAID group name, capacity, RAID type or Disk member information is displayed, because there's no storage pool associated. QTS writes over all blocks on the disk with zeros or ones. QTS allows the following migrations. The RAID group status changes to Rebuilding. How can i remove this inactive raidgroup 3 and free my ssd ? And reuse it again for instance as cache drive ? thx Bancha This is why I have a primary nas with larger drives in raid 6 and snapshots, and a secondary nas with smaller drivers in raid 5 and no snapshots to periodically backup the primary nas. Create a new RAID on storage pool or static volume Dec 23, 2019 · Not worried about preserving data on RAID group 2 - (Just don't want to mess with RAID Group 1 which works fine). Jednak dysków nie widział, są one cały czas jako aktywne w raid 1. So I want to remove/delete the RAID Group 2, so that i can add that disk to the existing RAID Group 1, but when i select the RAID Group 2 in Storage Pool Management, the MANAGE button becomes greyed out, so have no options. SSD since QNAP is eating them alive the disk health keeps dropping and there is no good means to keep them fresh, since the unit to be turned off to service them. Dec 30, 2022 · Remove the faulty disk from the drive bay and insert a new disk (All ES NAS models support hot-swapping). w międzyczasie wyciągnąłem Jul 22, 2023 · QNAP NAS Community Forum (Shutting Down Soon) RAID metadata found! UUID: 5196f33c:0273e9be:ff65c647:0e8086c9 Delete cookies; Contact us . RAID groups in which volumes are registered. Changing the RAID type of a RAID group is called RAID migration. All that is need is to completely remove RAID Group 2 so the drives will be recognized as ready Action Movies & Series; Animated Movies & Series; Comedy Movies & Series; Crime, Mystery, & Thriller Movies & Series; Documentary Movies & Series; Drama Movies & Series Jan 4, 2014 · RAID 1 Mirroring Disk Volume RAID 1 duplicates the data between two hard drives to provide disk mirroring. Replacing a Faulty Disk in a RAID Group of RAID 0, JBOD, or Single; Replacing a Faulty Disk in a RAID Group of RAID 1, 5, 6, 10, 50, 60, Triple Mirror, or RAID-TP; You can configure a spare disk in an enclosure, which automatically Oct 23, 2020 · Once the RAID group is configured, it is not possible to reduce the number of disks in it (outside of spare disks). QNAP Multiple RAID Dec 19, 2023 · RAID 1 is not striping. Replace all the faulty HDDs. (There was no DISK or RAID issues) 1. AA. I found this option "separate volume safely" but its disabled, i dont know the exactly translation of it, its in spanish, i attached 1 screenshot. Configure a global hot spare disk for the RAID device. The plan: install 1x 4TB disk, copy all the data from the RAID 6 volume to the new 4TB volume. yhzfm gqtfrox mbgcxykv zatjk fbtu llnh lobyo arrxjy ueptm kcgka zvoawt jozlw eymy ifxnl mxoxcih