ZFS RAID arrays can encounter various issues, from degraded pools to failed disks. Here's how to address some of the most common problems: Degraded Pool:If a pool is degraded, use thezpool statuscommand to identify the problematic disk. Replace the faulty disk withzpool replace. How to execu...
For optimal performance, the pool sector size should be greater than or equal to the sector size of the underlying disks. Since the property cannot be changed after pool creation, if in a given pool, you ever want to use drives that report 4KiB sectors, you must set ashift=12 at pool ...
In previous releases, ZFS was not able to replace an existing disk with another disk or attach a disk if the replacement disk was a slightly different size. In this release, you can replace an existing disk with another disk or attach a new disk that is nominally the same size provided t...
Redundant top-level virtual devices are now identified with a numeric identifier. For example, in a mirrored storage pool of two disks, the top level virtual device is mirror-0. For more information, see Example 4–3.Triple Parity RAIDZ (raidz3)Solaris...
4 disk, 1 ZFS volume FreeNAS running 9.3 with no problems for years... until a few hours ago when I decided to upgrade to 11.1. Now I get a CRITICAL alert in the GUI "The volume ZFS1 state is UNKNOWN" and the volume is indeed unavailable. zpool import shows 3 of the 4 disks.....
There is no need to use MountFlags=slave because dockerd and containerd are in different mount namespaces. Configure Docker with the zfs storage driver Stop Docker. Copy the contents of /var/lib/docker/ to /var/lib/docker.bk and remove the contents of /var/lib/docker/. $ sudo cp -au ...
lost drive using the information stored on the system's other drives. Similar toRAID 5, RAID-Z stripes parity information across each drive to permit a storage system to function even if one drive fails. However, with RAID-Z, the striped data is a full block, which is variable in size....
Another important factor when using any RAIDZ level is how ZVOL datasets, which are used for VM disks, behave. For each data block the pool needs parity data which is at least the size of the minimum block size defined by theashiftvalue of the pool. With an ashift of 12 the block siz...
vdev_id: multi-lun disks & slot num zero pad#16603 ZTS: resilver_restart_001.ksh restore defaults#16618 Only serialize native-deb* targets#16622 zpool/zfs: restore -V & --version options#16615#16617 Return boolean_t in inline functions of lib/libspl/include/sys/uio.h#16613 ...