Feature #2665
sd.conf should be able to override physical-block-size
| Status: | Resolved | Start date: | 2012-05-01 | |
|---|---|---|---|---|
| Priority: | Normal | Due date: | ||
| Assignee: |  George Wilson | % Done: | 100% | |
| Category: | driver - device drivers | |||
| Target version: | - | |||
| Difficulty: | Medium | Tags: |
Description
PSARC 2008/769 advertised the ability to override the physical-block-size by using the sd-config-list. Unfortunately this portion of the project was not implemented. This feature proposes to implement this missing functionality. This would allow administrators to update sd.conf by adding a simple VID/PID tuple in the sd-config-list. An example would look like this:
sd.conf:
sd-config-list = "DGC RAID", "physical-block-size:4096"; The format of the VID/PID tuple uses the following format: "012345670123456789012345" "|-VID--||-----PID------|"
This example overrides the physical-block-size for all DGC RAID devices to use 4K. ZFS would be able to consume this value to determine the proper ashift value for its vdevs.
Related issues
History
#1
Updated by Eric Schrock about 6 years ago
- Status changed from New to Resolved
changeset: 13680:2bd022a765e2
tag: tip
user: George Wilson <gwilson@delphix.com>
date: Thu May 03 05:49:19 2012 -0700
description:
2665 sd.conf should be able to override physical-block-size
2671 zpool import should not fail if vdev ashift has increased
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Eric Schrock <eric.schrock@delphix.com>
Reviewed by: Richard Elling <richard.elling@richardelling.com>
Reviewed by: Gordon Ross <gwr@nexenta.com>
Reviewed by: Garrett D'Amore <garrett@damore.org>
Approved by: Richard Lowe <richlowe@richlowe.net>
modified:
usr/src/cmd/zpool/zpool_main.c
usr/src/uts/common/fs/zfs/vdev.c
usr/src/uts/common/io/scsi/targets/sd.c
#2
Updated by Albert Lee over 5 years ago
For future reference, this command can be used to retrieve the vendor and product ID strings for all sd devices:
echo "::walk sd_state | ::grep '.!=0' | ::print struct sd_lun un_sd | ::print struct \\ scsi_device sd_inq | ::print struct scsi_inquiry inq_vid inq_pid" | mdb -k
#3
Updated by Albert Lee over 5 years ago
Remember, you need to pad the vendor, product string to the length shown with spaces.
Padding is actually not necessary. Extra spaces (not tabs!) are ignored.
Asterisks have special meaning if they appear at the beginning and end of the ID string only. sd searches the product ID (not the vendor ID) for the substring enclosed by asterisks.Examples:
- "*ST9320*" will match any vendor ID and product ID "ST9320423AS".
- "**" will match any vendor ID and product ID.
#4
Updated by Jens Elkner about 5 years ago
Albert Lee wrote:
... command can be used to retrieve the vendor and product ID strings for all sd devices ...
http://iws.cs.uni-magdeburg.de/~elkner/s11/etc/sdprops.sh may also help to check/lookup current settings.
NOTE: As usual the script requires {man,log}.kshlib from http://iws.cs.uni-magdeburg.de/~elkner/s11/etc/ to be in the same dir or anywhere else in the $PATH
#5
Updated by Jose Mestre over 4 years ago
- Status changed from Resolved to Feedback
Hi,
I'm currently using a Gigabyte motherboard with 2 LSI HBA SAS/SATA cards (LSI SAS 3041E-R).
I'm using 2TB hard drives WD20EARX and WD20EFRX
I tweaked sd.conf, and when I create a pool, ashift is set to 12 when the drives are connected to the Z68 SATA connectors, but not when connected to the HBA.
The first entry is an SDD with the OS, the next 4 are connected to the Z68 chipset, and all the others connected to 2 LSI HBA.
2 disks are currently not used on my ZFS pool, they are spares
# echo ::sd_state |mdb -k | grep phy_blocksize
un_phy_blocksize = 0x200
un_phy_blocksize = 0x1000
un_phy_blocksize = 0x1000
un_phy_blocksize = 0x1000
un_phy_blocksize = 0x1000
un_phy_blocksize = 0x200
un_phy_blocksize = 0x200
un_phy_blocksize = 0x200
un_phy_blocksize = 0x200
un_phy_blocksize = 0x200
un_phy_blocksize = 0x200
un_phy_blocksize = 0x200
# echo "::walk sd_state | ::grep '.!=0' | ::print struct sd_lun un_sd | ::print struct scsi_device sd_inq | ::print struct scsi_inquiry inq_vid inq_pid" | mdb -k
inq_vid = [ "ATA " ]
inq_pid = [ "Corsair Force 3 " ]
inq_vid = [ "ATA " ]
inq_pid = [ "WDC WD20EARX-00P" ]
inq_vid = [ "ATA " ]
inq_pid = [ "WDC WD20EARX-00P" ]
inq_vid = [ "ATA " ]
inq_pid = [ "WDC WD20EARX-00P" ]
inq_vid = [ "ATA " ]
inq_pid = [ "WDC WD20EARX-00P" ]
inq_vid = [ "ATA " ]
inq_pid = [ "WDC WD20EARX-00P" ]
inq_vid = [ "ATA " ]
inq_pid = [ "WDC WD20EARX-00P" ]
inq_vid = [ "ATA " ]
inq_pid = [ "WDC WD20EARX-00P" ]
inq_vid = [ "ATA " ]
inq_pid = [ "WDC WD20EZRX-00D" ]
inq_vid = [ "ATA " ]
inq_pid = [ "WDC WD20EZRX-00D" ]
inq_vid = [ "ATA " ]
inq_pid = [ "WDC WD20EZRX-00D" ]
inq_vid = [ "ATA " ]
inq_pid = [ "WDC WD20EZRX-00D" ]
# echo '::spa -c' | mdb -k | grep 'devid'
devid='id1,sd@SATA_____WDC_WD20EARX-00P_____WD-WMAZA7992741/a'
devid='id1,sd@SATA_____WDC_WD20EARX-00P_____WD-WCAZAD087469/a'
devid='id1,sd@SATA_____WDC_WD20EARX-00P_____WD-WMAZA7958395/a'
devid='id1,sd@SATA_____WDC_WD20EARX-00P_____WD-WMAZA7958380/a'
devid='id1,sd@n50014ee206d094a5/a'
devid='id1,sd@n50014ee25c259da5/a'
devid='id1,sd@n50014ee25ed12ec7/a'
devid='id1,sd@n50014ee25ed1774e/a'
devid='id1,sd@n50014ee2097c05d8/a'
devid='id1,sd@SATA_____Corsair_Force_3_122779100000148602E1/a'
# cfgadm -al
Ap_Id Type Receptacle Occupant Condition
c6 scsi-sas connected configured unknown
c6::dsk/c6t0d0 disk connected configured unknown
c6::dsk/c6t1d0 disk connected configured unknown
c6::dsk/c6t2d0 disk connected configured unknown
c8 scsi-sas connected configured unknown
c8::dsk/c8t0d0 disk connected configured unknown
c8::dsk/c8t1d0 disk connected configured unknown
c8::dsk/c8t2d0 disk connected configured unknown
c8::dsk/c8t3d0 disk connected configured unknown
sata2/0::dsk/c1t0d0 disk connected configured ok
sata2/1 sata-port empty unconfigured ok
sata2/2::dsk/c1t2d0 disk connected configured ok
sata2/3::dsk/c1t3d0 disk connected configured ok
sata2/4::dsk/c1t4d0 disk connected configured ok
sata2/5::dsk/c1t5d0 disk connected configured ok
# grep -v '#' /kernel/drv/sd.conf
name="sd" class="scsi" target=0 lun=0;
name="sd" class="scsi" target=1 lun=0;
name="sd" class="scsi" target=2 lun=0;
name="sd" class="scsi" target=3 lun=0;
name="sd" class="scsi" target=4 lun=0;
name="sd" class="scsi" target=5 lun=0;
name="sd" class="scsi" target=6 lun=0;
name="sd" class="scsi" target=7 lun=0;
name="sd" class="scsi" target=8 lun=0;
name="sd" class="scsi" target=9 lun=0;
name="sd" class="scsi" target=10 lun=0;
name="sd" class="scsi" target=11 lun=0;
name="sd" class="scsi" target=12 lun=0;
name="sd" class="scsi" target=13 lun=0;
name="sd" class="scsi" target=14 lun=0;
name="sd" class="scsi" target=15 lun=0;
name="sd" class="scsi-self-identifying";
ddi-devid-registrant=1;
sd-config-list =
"ATA WDC WD20EARX-00P", "physical-block-size:4096",
"ATA WDC*", "physical-block-size:4096",
"ATA WDC WD20EZRX-00D", "physical-block-size:4096";
I tried with and without this line: "ATA WDC*", "physical-block-size:4096"
I'm currently using a modified zpool binary to forece ashift as mentioned here : https://www.illumos.org/issues/453#note-3
#6
Updated by Yuri Pankov almost 4 years ago
- Status changed from Feedback to Resolved
- Tags deleted (
needs-triage) - % Done changed from 0 to 100
#7
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