Differences

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--- linux:filesystem:zfs [2025/10/08 01:15] – gsys
+++ linux:filesystem:zfs [2025/10/08 03:44] (current) – [Format NVMe with bigger sector size] gsys
@@ Line 45: / Line 45: @@
 </code>
+by-id
+<code>
+zpool create -o ashift=12 -O compression=lz4 -O atime=off -O xattr=sa local-datastore-nvme01 \
+mirror /dev/disk/by-id/nvme-SAMSUNG_MZQL23T8HCLS-00A07_S3R14LNUMB3R1 /dev/disk/by-id/nvme-SAMSUNG_MZQL23T8HCLS-00A07_S3R14LNUMB3R2 \
+mirror /dev/disk/by-id/nvme-SAMSUNG_MZQL23T8HCLS-00A07_S3R14LNUMB3R3 /dev/disk/by-id/nvme-SAMSUNG_MZQL23T8HCLS-00A07_S3R14LNUMB3R4
+</code>
 ===== Delete ZFS Pool =====
@@ Line 63: / Line 69: @@
 Check column "Fmt". "+" marks the current format. "Rel_Perf" indicates the higher performance low level formats. The lower the better. 0 being the best.
 <code>
-root@pve01:smartctl -a /dev/nvme4n1
+root@pve01: smartctl -a /dev/nvme4n1
 {...}
 Supported LBA Sizes (NSID 0x1)
@@ Line 79: / Line 85: @@
 Verify the change.
 <code>
-root@pve01:smartctl -a /dev/nvme4n1
+root@pve01: smartctl -a /dev/nvme4n1
 {...}
 Supported LBA Sizes (NSID 0x1)
@@ Line 88: / Line 94: @@
 </code>
 https://openzfs.github.io/openzfs-docs/Performance%20and%20Tuning/Hardware.html#nvme-low-level-formatting
+<code>
+lsblk -d -o NAME,PHY-SeC,LOG-SEC
+nvme id-ns -H /dev/nvme4n1 | grep 'LBA'
+</code>
+===== Misc =====
+==== Remove orphaned pool ====
+Debian fails to start import service of an orphaned pool.
+<code>
+zpool set cachefile=/etc/zfs/zpool.cache poolname    # set cache file for running pools
+update-initramfs -k all -u
+reboot
+</code>
+check labels on disks
+<code>
+zdb -l /dev/nvme1n1p1
+</code>