Discussions about the GEOM framework and about implementations of GEOM modules ()

FreeBSD bugmaster | 1 Aug 2011 13:07

Picon

Current problem reports assigned to freebsd-geom <at> FreeBSD.org

Note: to view an individual PR, use:
  http://www.freebsd.org/cgi/query-pr.cgi?pr=(number).

The following is a listing of current problems submitted by FreeBSD users.
These represent problem reports covering all versions including
experimental development code and obsolete releases.

S Tracker      Resp.      Description
--------------------------------------------------------------------------------
o kern/159091  geom       [geom] GEOM fails to scan nested partitions to create 
p kern/158398  geom       [headers] [patch] <geom/geom.h> includes <sys/sbuf.h> 
o kern/158197  geom       [geom] geom_cache with size>1000 leads to panics
o kern/157879  geom       [libgeom] ABI change without version bump in 8.2
o kern/157863  geom       [geli] kbdmux prevents geli passwords from being enter
o kern/157739  geom       [geom] GPT labels with geom_multipath
o kern/157724  geom       [geom] gpart(8) 'add' command must preserve gap for sc
o kern/157723  geom       [geom] GEOM should not process 'c' (raw) partitions fo
o kern/157108  geom       [gjournal] dumpon(8) fails on gjournal providers
o kern/155994  geom       [geom] Long "Suspend time" when reading large files fr
o kern/154226  geom       [geom] GEOM label does not change when you modify them
o kern/150858  geom       [geom] [geom_label] [patch] glabel(8) is not compatibl
o kern/150626  geom       [geom] [gjournal] gjournal(8) destroys label
o kern/150555  geom       [geom] gjournal unusable on GPT partitions
o kern/150334  geom       [geom] [udf] [patch] geom label does not support UDF
o kern/149762  geom       volume labels with rogue characters
o bin/149215   geom       [panic] [geom_part] gpart(8): Delete linux's slice via
o kern/147667  geom       [gmirror] Booting with one component of a gmirror, the
o kern/145818  geom       [geom] geom_stat_open showing cached information for n
o kern/145042  geom       [geom] System stops booting after printing message "GE
o kern/144905  geom       [geom][geom_part] panic in gpart_ctlreq when unpluggin

(Continue reading)

Stephane LAPIE | 3 Aug 2011 14:43

Poor interaction between gmultipath(8), ZFS and isp(4)

Hello list,

(Not 100% sure the bug is in GEOM_MULTIPATH or in another driver.)

I am running a FreeBSD 8.2-RELEASE server with ZFSv15, with the
following hardware :

http://www.darkbsd.org/~darksoul/server_dmesg.txt

I have a dual fibre-channel controller (isp(4) driver), and I am
accessing 16 RAID0 logical drives on a Promise vTrak E630fD (1 volume /
physical disk)

Since both controllers are plugged to the same storage unit with no LUN
masking, both controllers end up seeing the same devices. Which is what
made me combine these devices using geom_multipath.

Here is my zpool structure :
config:

        NAME                  STATE     READ WRITE CKSUM
        data                  ONLINE       0     0     0
          raidz1              ONLINE       0     0     0
            multipath/disk0   ONLINE       0     0     0
            multipath/disk1   ONLINE       0     0     0
            multipath/disk2   ONLINE       0     0     0
            multipath/disk3   ONLINE       0     0     0
            multipath/disk4   ONLINE       0     0     0
            multipath/disk5   ONLINE       0     0     0
            multipath/disk6   ONLINE       0     0     0

(Continue reading)

Matthew Jacob | 3 Aug 2011 16:14

Re: Poor interaction between gmultipath(8), ZFS and isp(4)

Known problem. Or rather, one of a long set of known problems.

Most of these were addressed at Panasas under RELENG_7, but I have not 
had the time to redo them for RELENG_8 and later. Nor was I really happy 
with a lot of the results. At least from my perspective, due to work 
commitments, I'm unlikely to get to this very soon. Regrets.

On 8/3/2011 5:43 AM, Stephane LAPIE wrote:
> Hello list,
>
> (Not 100% sure the bug is in GEOM_MULTIPATH or in another driver.)
>
> I am running a FreeBSD 8.2-RELEASE server with ZFSv15, with the
> following hardware :
>
> http://www.darkbsd.org/~darksoul/server_dmesg.txt
>
> I have a dual fibre-channel controller (isp(4) driver), and I am
> accessing 16 RAID0 logical drives on a Promise vTrak E630fD (1 volume /
> physical disk)
>
> Since both controllers are plugged to the same storage unit with no LUN
> masking, both controllers end up seeing the same devices. Which is what
> made me combine these devices using geom_multipath.
>
> Here is my zpool structure :
> config:
>
>          NAME                  STATE     READ WRITE CKSUM
>          data                  ONLINE       0     0     0

(Continue reading)

Dmitry Zamaruyev | 4 Aug 2011 12:00

Picon

SSD and gmirror

Hello list,

I'm looking for clarification regarding gmirror/geom behavior in
current 8-STABLE.
I want to use couple of SSD drives in mirror RAID configuration with
UFS on top. I know that UFS now supports TRIM (BIO_DELETE) on plain
disks.
But will gmirror propagate BIO_DELETE event to lower driver, so both
SSDs will get trimmed when UFS issue this command?

--

-- 
Best regards,
Dmitry Zamaruev

Steven Hartland | 4 Aug 2011 12:33

Picon

Re: SSD and gmirror

Be aware that you need to be using ata or another driver which supports
this for it to work even on a standard disk.

----- Original Message ----- 
From: "Dmitry Zamaruyev"

> Hello list,
> 
> I'm looking for clarification regarding gmirror/geom behavior in
> current 8-STABLE.
> I want to use couple of SSD drives in mirror RAID configuration with
> UFS on top. I know that UFS now supports TRIM (BIO_DELETE) on plain
> disks.
> But will gmirror propagate BIO_DELETE event to lower driver, so both
> SSDs will get trimmed when UFS issue this command?

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Dmitry Zamaruyev | 4 Aug 2011 12:52

Picon

Re: SSD and gmirror

SSD will be attached to Intel ESB2 chip, that using standard ata/ahci
drivers (I guess):

atapci1: <Intel 63XXESB2 SATA300 controller> port
0x18a0-0x18a7,0x1874-0x1877,0x1878-0x187f,0x1870-0x1873,0x1880-0x189f mem
0xd8500800-0xd8500bff irq 19 at device 31.2 on pci0 
atapci1: AHCI called from vendor specific driver 
atapci1: AHCI v1.10 controller with 6 3Gbps ports, PM supported

В Thu, 4 Aug 2011 11:33:01 +0100
"Steven Hartland" <killing <at> multiplay.co.uk> пишет:

> Be aware that you need to be using ata or another driver which
> supports this for it to work even on a standard disk.
> 
> ----- Original Message ----- 
> From: "Dmitry Zamaruyev"
> 
> 
> > Hello list,
> > 
> > I'm looking for clarification regarding gmirror/geom behavior in
> > current 8-STABLE.
> > I want to use couple of SSD drives in mirror RAID configuration with
> > UFS on top. I know that UFS now supports TRIM (BIO_DELETE) on plain
> > disks.
> > But will gmirror propagate BIO_DELETE event to lower driver, so both
> > SSDs will get trimmed when UFS issue this command?
> 
>

(Continue reading)

FreeBSD bugmaster | 8 Aug 2011 13:07

Picon

Current problem reports assigned to freebsd-geom <at> FreeBSD.org

Note: to view an individual PR, use:
  http://www.freebsd.org/cgi/query-pr.cgi?pr=(number).

The following is a listing of current problems submitted by FreeBSD users.
These represent problem reports covering all versions including
experimental development code and obsolete releases.

S Tracker      Resp.      Description
--------------------------------------------------------------------------------
o kern/159091  geom       [geom] GEOM fails to scan nested partitions to create 
p kern/158398  geom       [headers] [patch] <geom/geom.h> includes <sys/sbuf.h> 
o kern/158197  geom       [geom] geom_cache with size>1000 leads to panics
o kern/157879  geom       [libgeom] ABI change without version bump in 8.2
o kern/157863  geom       [geli] kbdmux prevents geli passwords from being enter
o kern/157739  geom       [geom] GPT labels with geom_multipath
o kern/157724  geom       [geom] gpart(8) 'add' command must preserve gap for sc
o kern/157723  geom       [geom] GEOM should not process 'c' (raw) partitions fo
o kern/157108  geom       [gjournal] dumpon(8) fails on gjournal providers
o kern/155994  geom       [geom] Long "Suspend time" when reading large files fr
o kern/154226  geom       [geom] GEOM label does not change when you modify them
o kern/150858  geom       [geom] [geom_label] [patch] glabel(8) is not compatibl
o kern/150626  geom       [geom] [gjournal] gjournal(8) destroys label
o kern/150555  geom       [geom] gjournal unusable on GPT partitions
o kern/150334  geom       [geom] [udf] [patch] geom label does not support UDF
o kern/149762  geom       volume labels with rogue characters
o bin/149215   geom       [panic] [geom_part] gpart(8): Delete linux's slice via
o kern/147667  geom       [gmirror] Booting with one component of a gmirror, the
o kern/145818  geom       [geom] geom_stat_open showing cached information for n
o kern/145042  geom       [geom] System stops booting after printing message "GE
o kern/144905  geom       [geom][geom_part] panic in gpart_ctlreq when unpluggin

(Continue reading)

Dmitry Zamaruyev | 11 Aug 2011 11:51

Picon

Re: SSD and gmirror

Having troubles using gmirror device with TRIM.

Two SSDs on 8.2-STABLE, supports TRIM on device:

# camcontrol identify ada1
pass1: <OCZ-VERTEX2 1.33> ATA-8 SATA 2.x device
pass1: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)

protocol              ATA/ATAPI-8 SATA 2.x
device model          OCZ-VERTEX2
...
data set management (TRIM)     yes

And if I create UFS directly on SSD with TRIM enabled all goes OK (-E
uses trim to erase SSD):

# newfs -U -E -t /dev/ada1
/dev/ada1: 57241.9MB (117231408 sectors) block size 16384, fragment
size 2048 using 312 cylinder groups of 183.72MB, 11758 blks, 23552
inodes. with soft updates
Erasing sectors [128...117231407]
super-block backups (for fsck -b #) at:
 160, 376416, .....

# mount -t ufs /dev/ada1 /mnt

But if I add device to gmirror, situation is different. Newfs passed
ok (so TRIM call propagated to devices?), but mount complaints:

# newfs -U -E -t /dev/mirror/gm0s1a

(Continue reading)

FreeBSD bugmaster | 15 Aug 2011 13:07

Picon

Current problem reports assigned to freebsd-geom <at> FreeBSD.org

Note: to view an individual PR, use:
  http://www.freebsd.org/cgi/query-pr.cgi?pr=(number).

The following is a listing of current problems submitted by FreeBSD users.
These represent problem reports covering all versions including
experimental development code and obsolete releases.

S Tracker      Resp.      Description
--------------------------------------------------------------------------------
o kern/159595  geom       [geom] [panic] panic on gmirror unload in vbox [regres
o kern/159091  geom       [geom] GEOM fails to scan nested partitions to create 
p kern/158398  geom       [headers] [patch] <geom/geom.h> includes <sys/sbuf.h> 
o kern/158197  geom       [geom] geom_cache with size>1000 leads to panics
o kern/157879  geom       [libgeom] ABI change without version bump in 8.2
o kern/157863  geom       [geli] kbdmux prevents geli passwords from being enter
o kern/157739  geom       [geom] GPT labels with geom_multipath
o kern/157724  geom       [geom] gpart(8) 'add' command must preserve gap for sc
o kern/157723  geom       [geom] GEOM should not process 'c' (raw) partitions fo
o kern/157108  geom       [gjournal] dumpon(8) fails on gjournal providers
o kern/155994  geom       [geom] Long "Suspend time" when reading large files fr
o kern/154226  geom       [geom] GEOM label does not change when you modify them
o kern/150858  geom       [geom] [geom_label] [patch] glabel(8) is not compatibl
o kern/150626  geom       [geom] [gjournal] gjournal(8) destroys label
o kern/150555  geom       [geom] gjournal unusable on GPT partitions
o kern/150334  geom       [geom] [udf] [patch] geom label does not support UDF
o kern/149762  geom       volume labels with rogue characters
o bin/149215   geom       [panic] [geom_part] gpart(8): Delete linux's slice via
o kern/147667  geom       [gmirror] Booting with one component of a gmirror, the
o kern/145818  geom       [geom] geom_stat_open showing cached information for n
o kern/145042  geom       [geom] System stops booting after printing message "GE

(Continue reading)

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