dbascur Posted May 3, 2023 Share Posted May 3, 2023 Hello Everyone, i just purchased a new Sandisk 1TB SSD and would like to use it as a cache drive. My current unraid setup consists of all ZFS file system. I keep encountering a msg that my SSD is unmountable even though it passed the preclear process and a SMART tests. Looking through the logs, i encounter the following. May 2 21:05:16 UNRAID root: mount: /mnt/cache: wrong fs type, bad option, bad superblock on /dev/sdh1, missing codepage or helper program, or other error. May 2 21:05:16 UNRAID root: dmesg(1) may have more information after failed mount system call. May 2 21:05:16 UNRAID kernel: XFS (sdh1): Invalid superblock magic number May 2 21:05:16 UNRAID emhttpd: shcmd (747): exit status: 32 May 2 21:05:16 UNRAID emhttpd: /sbin/btrfs filesystem show /dev/sdh1 2>&1 May 2 21:05:16 UNRAID emhttpd: ERROR: no btrfs on /dev/sdh1 May 2 21:05:16 UNRAID emhttpd: /mnt/cache: no btrfs May 2 21:05:16 UNRAID emhttpd: shcmd (748): modprobe zfs May 2 21:05:16 UNRAID kernel: spl: loading out-of-tree module taints kernel. May 2 21:05:16 UNRAID kernel: znvpair: module license 'CDDL' taints kernel. May 2 21:05:16 UNRAID kernel: Disabling lock debugging due to kernel taint May 2 21:05:17 UNRAID kernel: ZFS: Loaded module v2.1.9-1, ZFS pool version 5000, ZFS filesystem version 5 May 2 21:05:17 UNRAID emhttpd: /usr/sbin/zpool import -d /dev/sdh1 2>&1 May 2 21:05:17 UNRAID emhttpd: no pools available to import May 2 21:05:17 UNRAID emhttpd: cache: no uuid May 2 21:05:17 UNRAID emhttpd: shcmd (749): mount -t reiserfs -o noatime,user_xattr,acl /dev/sdh1 /mnt/cache May 2 21:05:17 UNRAID root: mount: /mnt/cache: wrong fs type, bad option, bad superblock on /dev/sdh1, missing codepage or helper program, or other error. May 2 21:05:17 UNRAID root: dmesg(1) may have more information after failed mount system call. May 2 21:05:17 UNRAID emhttpd: shcmd (749): exit status: 32 May 2 21:05:17 UNRAID emhttpd: /mnt/cache mount error: Unsupported or no file system Is there a way to change the the SSD drive solely to BTRFS even though all my other drives are ZFS so it can be use as a cache drive? Quote Link to comment
itimpi Posted May 3, 2023 Share Posted May 3, 2023 Have you actually tried to format it after adding it to Unraid as a pool? If you have then please post a diagnostics zip file taken after an attempt to format. in terms of the file system type you can set it explicitly by clicking on the drive on the Main tab. Quote Link to comment
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