diff options
| author | Troels Nørgaard <[email protected]> | 2018-07-07 01:15:19 +0200 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2018-07-06 16:15:19 -0700 |
| commit | 94370f595597389fe317c47acec588e10bd76cf5 (patch) | |
| tree | 0793e9e8236cc9b3434aa01323ee758e73f2e96d | |
| parent | 3f4e6d6f36732f0bd3b55487f04281f8eb553082 (diff) | |
Default ashift for Amazon EC2 NVMe devices
Add a default 4 KiB ashift for Amazon EC2 NVMe devices on instances with
NVMe ephemeral devices, such as the types c5d, f1, i3 and m5d.
As per the official documentation [1] a 4096 byte blocksize should be
used to match the underlying hardware.
The string was identified via:
$ sudo sginfo -M /dev/nvme0n1
INQUIRY response (cmd: 0x12)
----------------------------
Device Type 0
Vendor: NVMe
Product: Amazon EC2 NVMe
Revision level:
$ lsblk -io KNAME,TYPE,SIZE,MODEL
KNAME TYPE SIZE MODEL
nvme0n1 disk 442.4G Amazon EC2 NVMe Instance Storage
[1] https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/
storage-optimized-instances.html
Retrived 2018-07-03
Reviewed-by: George Melikov <[email protected]>
Reviewed-by: Giuseppe Di Natale <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: Troels Nørgaard <[email protected]>
Closes #7676
| -rw-r--r-- | cmd/zpool/zpool_vdev.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/cmd/zpool/zpool_vdev.c b/cmd/zpool/zpool_vdev.c index 620dbc912..e61655f28 100644 --- a/cmd/zpool/zpool_vdev.c +++ b/cmd/zpool/zpool_vdev.c @@ -192,6 +192,7 @@ static vdev_disk_db_entry_t vdev_disk_database[] = { {"ATA INTEL SSDSC2BP24", 4096}, {"ATA INTEL SSDSC2BP48", 4096}, {"NA SmrtStorSDLKAE9W", 4096}, + {"NVMe Amazon EC2 NVMe ", 4096}, /* Imported from Open Solaris */ {"ATA MARVELL SD88SA02", 4096}, /* Advanced format Hard drives */ |