cmer Posted February 2, 2018 Share Posted February 2, 2018 Hey guys, I found some info on the subject on the forum but not quite what I was looking for. I had a single cache drive formatted as XFS. I tried adding a second cache drive in slot 2, but now I get "Unmountable: No pool uuid", even after removing the second cache drive. I read that the default file system for cache drives is BTFRS. Could it be why I can't mount it anymore? Not sure what to do at this point. I don't want to lose the data I have on the cache drive (because I have more than cache data). Thanks! Quote Link to comment
JorgeB Posted February 2, 2018 Share Posted February 2, 2018 You need to change cache slots back to 1, then click on cache and check that filesystem is set to auto or xfs. 1 Quote Link to comment
cmer Posted February 2, 2018 Author Share Posted February 2, 2018 Ah! That was easy! I had just removed the second drive from the cache pool, but did not set the cache slots back to 1. Thanks so much! Quote Link to comment
ToXIc Posted May 30, 2019 Share Posted May 30, 2019 hey all i'm adding extra disks to my cache and i'm getting this error. i have tried to set the single drive to either auto or xfs but as soon as i add more the 1st one i get the uuid error. no matter what config and with what disks i get this problem.. i can even go back to a single drive and it will be fine no more uuid error Quote Link to comment
JorgeB Posted May 31, 2019 Share Posted May 31, 2019 Please post the diagnostics: Tools -> Diagnostics Quote Link to comment
ToXIc Posted May 31, 2019 Share Posted May 31, 2019 sry here you go fatjoe-diagnostics-20190531-2301.zip Quote Link to comment
ToXIc Posted May 31, 2019 Share Posted May 31, 2019 if i choose 5 and leave the 1st slot empty i get this Quote Link to comment
ToXIc Posted June 1, 2019 Share Posted June 1, 2019 got it to work... had to use btrfs but sucks that i cant separate the 500gb disks into their own pool. Quote Link to comment
JorgeB Posted June 1, 2019 Share Posted June 1, 2019 6 hours ago, ToXIc said: had to use btrfs but sucks that i cant separate the 500gb disks into their own pool. Any pool requires btrfs, you can have multiple pools with some limitations and the help of UD, until Unraid supports them. Quote Link to comment
albyland Posted December 30, 2019 Share Posted December 30, 2019 Hello, I am having the same issue with Cache drive unmountable: No pool uuid. This is a new server with 2 cache drives. I have tried going down to 1 cache drive and making sure it is on auto for the file system. jupiter-diagnostics-20191230-1156.zip Quote Link to comment
JorgeB Posted December 30, 2019 Share Posted December 30, 2019 Constant issues with both cache devices: Dec 30 10:58:35 Jupiter kernel: sd 9:0:3:0: [sdf] tag#8755 Sense Key : 0x1 [current] Dec 30 10:58:35 Jupiter kernel: sd 9:0:3:0: [sdf] tag#8755 ASC=0x1c ASCQ=0x2 Dec 30 10:58:35 Jupiter kernel: sd 9:0:1:0: [sdd] tag#9481 Sense Key : 0x1 [current] Dec 30 10:58:35 Jupiter kernel: sd 9:0:1:0: [sdd] tag#9481 ASC=0x1c ASCQ=0x2 Dec 30 10:58:36 Jupiter emhttpd: Starting services... Dec 30 10:58:36 Jupiter emhttpd: shcmd (12): /etc/rc.d/rc.samba restart Dec 30 10:58:36 Jupiter kernel: sd 9:0:1:0: [sdd] tag#440 Sense Key : 0x1 [current] Dec 30 10:58:36 Jupiter kernel: sd 9:0:1:0: [sdd] tag#440 ASC=0x1c ASCQ=0x2 Dec 30 10:58:36 Jupiter kernel: sd 9:0:1:0: [sdd] tag#2735 Sense Key : 0x1 [current] Dec 30 10:58:36 Jupiter kernel: sd 9:0:1:0: [sdd] tag#2735 ASC=0x1c ASCQ=0x2 Dec 30 10:58:36 Jupiter kernel: sd 9:0:1:0: [sdd] tag#9881 Sense Key : 0x1 [current] Dec 30 10:58:36 Jupiter kernel: sd 9:0:1:0: [sdd] tag#9881 ASC=0x1c ASCQ=0x2 Dec 30 10:58:37 Jupiter kernel: sd 9:0:1:0: [sdd] tag#681 Sense Key : 0x1 [current] Dec 30 10:58:37 Jupiter kernel: sd 9:0:1:0: [sdd] tag#681 ASC=0x1c ASCQ=0x2 Dec 30 10:58:37 Jupiter kernel: sd 9:0:3:0: [sdf] tag#2356 Sense Key : 0x1 [current] Dec 30 10:58:37 Jupiter kernel: sd 9:0:3:0: [sdf] tag#2356 ASC=0x1c ASCQ=0x2 Dec 30 10:58:37 Jupiter kernel: sd 9:0:3:0: [sdf] tag#5899 Sense Key : 0x1 [current] Dec 30 10:58:37 Jupiter kernel: sd 9:0:3:0: [sdf] tag#5899 ASC=0x1c ASCQ=0x2 Dec 30 10:58:37 Jupiter kernel: sd 9:0:3:0: [sdf] tag#8823 Sense Key : 0x1 [current] Dec 30 10:58:37 Jupiter kernel: sd 9:0:3:0: [sdf] tag#8823 ASC=0x1c ASCQ=0x2 Dec 30 10:58:37 Jupiter kernel: sd 9:0:3:0: [sdf] tag#1173 Sense Key : 0x1 [current] Dec 30 10:58:37 Jupiter kernel: sd 9:0:3:0: [sdf] tag#1173 ASC=0x1c ASCQ=0x2 Quote Link to comment
JorgeB Posted December 30, 2019 Share Posted December 30, 2019 Likely because of this: Physical block size: 4096 bytes Formatted with type 1 protection I believe this protection can be removed, but you'll need to Google it, unless someone else here has experience with this. Quote Link to comment
albyland Posted December 30, 2019 Share Posted December 30, 2019 I can't find much on removing the type 1 protection. I'll continue to look into that this afternoon. Thanks for pointing me in that direction. Quote Link to comment
albyland Posted December 31, 2019 Share Posted December 31, 2019 I formatted both sdd in the chache pool. It doesn't sat "Formatted with type 1 protection" anymore but still no changes. Are the drives failing? They pass the test with no errors. root@Jupiter:~# smartctl -a /dev/sdd smartctl 7.0 2018-12-30 r4883 [x86_64-linux-4.19.88-Unraid] (local build) Copyright (C) 2002-18, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION === Vendor: HGST Product: HSCAC2DA2SUN1.6T Revision: A29A Compliance: SPC-4 User Capacity: 1,600,321,314,816 bytes [1.60 TB] Logical block size: 512 bytes Physical block size: 4096 bytes LU is resource provisioned, LBPRZ=1 Rotation Rate: Solid State Device Form Factor: 2.5 inches Logical Unit id: 0x5000cca0536dc108 Serial number: 001652J9B5TA 09WYB5TA Device type: disk Transport protocol: SAS (SPL-3) Local Time is: Mon Dec 30 19:42:36 2019 MST SMART support is: Available - device has SMART capability. SMART support is: Enabled Temperature Warning: Enabled === START OF READ SMART DATA SECTION === SMART Health Status: OK Percentage used endurance indicator: 0% Current Drive Temperature: 28 C Drive Trip Temperature: 70 C Manufactured in week 52 of year 2016 Specified cycle count over device lifetime: 0 Accumulated start-stop cycles: 0 Specified load-unload count over device lifetime: 0 Accumulated load-unload cycles: 0 Vendor (Seagate Cache) information Blocks sent to initiator = 459653909583871 Error counter log: Errors Corrected by Total Correction Gigabytes Total ECC rereads/ errors algorithm processed uncorrected fast | delayed rewrites corrected invocations [10^9 bytes] errors read: 0 0 0 0 0 1654.682 0 write: 0 0 0 0 0 4871.432 0 Non-medium error count: 0 SMART Self-test log Num Test Status segment LifeTime LBA_first_err [SK ASC ASQ] Description number (hours) # 1 Background long Completed - 7188 - [- - -] # 2 Background long Aborted (device reset ?) 9 7184 - [- - -] # 3 Background short Completed - 7182 - [- - -] # 4 Background short Completed - 7182 - [- - -] # 5 Background short Completed - 7182 - [- - -] Long (extended) Self-test duration: 11096 seconds [184.9 minutes] Quote Link to comment
albyland Posted December 31, 2019 Share Posted December 31, 2019 I was able to figure it out. Turns out that I needed to move one of the ssd to a different slot. Thanks for the help Quote Link to comment
newbie_dude Posted January 11, 2020 Share Posted January 11, 2020 Same "Cache drive unmountable: No pool uuid" issue when I tried to add a second cache disk. Original was formatted XFS. Error occurred when I started the array after choosing two slots and added the second drive. Now I notice the option to format as XFS is gone and only BTRFS is available. Also I can't change slots back to 1 and just go back to the old configuration. Is there a way to revert back? Does this mean I cannot have XFS formatted cache drives and must have BTRFS if I want cache protection? While googling I saw others had mentioned issues with BTRFS and recommended XFS. Looks like that's where my screwup was? tower-diagnostics-20200111-0937.zip Quote Link to comment
itimpi Posted January 11, 2020 Share Posted January 11, 2020 Yes, if you have more than 1 drive in the cache the only supported format is BTRFS. Quote Link to comment
newbie_dude Posted January 11, 2020 Share Posted January 11, 2020 Thanks! Guess I have to do funky business to get my data off the drive and format. Quote Link to comment
iptvcld Posted March 10, 2020 Share Posted March 10, 2020 (edited) Hello everyone; I have an issue here and i am really hoping someone will be able to help. Background: I following the video from space invaders on how to encrpt an unassigned drive by stopping the array - remove the cache drive (pool of 2) and add the UD into the cache slot then select XFS Encrypt and start the array, etc.. I placed the 2 cache drives back in their spots and changed the file system back to btrfs and when i started i array i now get an error Unmountable: No pool uuid Device is part of a cache pool I have also attached my diag logs. Thank you! Edited March 11, 2020 by iptvcld Remove zio Quote Link to comment
JorgeB Posted March 10, 2020 Share Posted March 10, 2020 I can't tell you what happened because whatever it was it happened before this boot but no btrfs filesystem are being detected which suggest cache devices were wiped. Quote Link to comment
iptvcld Posted March 10, 2020 Share Posted March 10, 2020 And this is the case for both cache drives? This is not good at all. Quote Link to comment
JorgeB Posted March 10, 2020 Share Posted March 10, 2020 Yes, they both should have the same filesystem, and neither has one, like the superblock was wiped. Quote Link to comment
iptvcld Posted March 10, 2020 Share Posted March 10, 2020 hmm; and the whole goal here was just to format one of my UD as XFS-Encrypt (which i did). Too bad there is not an easier way to format a drive that is not in the array as encrypted. This resorted me to swapping the cache and format my UD drive and now - 2 wiped cache drives.. Quote Link to comment
JorgeB Posted March 10, 2020 Share Posted March 10, 2020 23 minutes ago, iptvcld said: Too bad there is not an easier way to format a drive that is not in the array as encrypted. You can now use the UD plugin for that. Quote Link to comment
iptvcld Posted March 10, 2020 Share Posted March 10, 2020 So for that; my array is not encrypted and i was told that i would not be able to use the UD pluigin if atleast one of my drives were not encrypted. I had tried that first and marked it as format - XFS Ebcrypt and said failed. Quote Link to comment
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