Date: Wed, 18 Dec 2013 19:24:59 -0600 From: Danny Schales <dan@latech.edu> To: freebsd-stable@freebsd.org Subject: Re: ZFS and ISCSI Message-ID: <52B24AEB.6040203@latech.edu> In-Reply-To: <op.w8bdkqyikndu52@212-182-167-131.ip.telfort.nl> References: <52B1C42A.4020506@LaTech.edu> <op.w8ap0zzd8527sy@212-182-167-131.ip.telfort.nl> <52B1CDB8.8050400@LaTech.edu> <op.w8ayo71t8527sy@212-182-167-131.ip.telfort.nl> <52B1FEAB.20008@LaTech.edu> <op.w8bdkqyikndu52@212-182-167-131.ip.telfort.nl>
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On 12/18/2013 6:42 PM, Ronald Klop wrote:
>
> Hi Danny,
>
> It helps if you reply to the mailinglist instead of directly to me.
> Other peoples don't have to ask the same question than.
> You might also post more information about your setup. Like the
> partitioning of your iscsi 'disks' (I don't have much experience with
> that). And the actual values of things like your mountpoint and iscsi
> config files.
> Or try the freebsd-fs mailinglist.
>
> Regards,
> Ronald.
>
The ISCSI "disks" are LUNs from a Dell Compellent Storage system with
multipathing via gmultipath:
# zpool status test2
pool: test2
state: ONLINE
scan: none requested
config:
NAME STATE READ WRITE CKSUM
test2 ONLINE 0 0 0
multipath/DISK3 ONLINE 0 0 0
errors: No known data errors
# gmultipath status DISK3
Name Status Components
multipath/DISK3 OPTIMAL da4 (ACTIVE)
da5 (ACTIVE)
# iscsictl
Target name Target portal State
iqn.2002-03.com.compellent:5000d3100055e128 x.x.x.1 Connected: da3 da5
iqn.2002-03.com.compellent:5000d3100055e126 x.x.x.2 Connected: da2
iqn.2002-03.com.compellent:5000d3100055e127 x.x.x.3 Connected: da0 da4
iqn.2002-03.com.compellent:5000d3100055e125 x.x.x.4 Connected: da1
# camcontrol devlist
<COMPELNT Compellent Vol 0603> at scbus7 target 0 lun 0 (pass7)
<COMPELNT Compellent Vol 0603> at scbus8 target 0 lun 0 (pass4)
<COMPELNT Compellent Vol 0603> at scbus9 target 0 lun 2 (da0,pass2)
<COMPELNT Compellent Vol 0603> at scbus9 target 0 lun 3 (da4,pass10)
<COMPELNT Compellent Vol 0603> at scbus10 target 0 lun 1 (da1,pass3)
<COMPELNT Compellent Vol 0603> at scbus11 target 0 lun 2 (da3,pass9)
<COMPELNT Compellent Vol 0603> at scbus11 target 0 lun 3 (da5,pass11)
<COMPELNT Compellent Vol 0603> at scbus12 target 0 lun 0 (pass6)
<COMPELNT Compellent Vol 0603> at scbus13 target 0 lun 1 (da2,pass8)
<COMPELNT Compellent Vol 0603> at scbus14 target 0 lun 0 (pass5)
# gmultipath list DISK3
Geom name: DISK3
Type: AUTOMATIC
Mode: Active/Active
UUID: 29b5d4e7-6349-11e3-8541-74867af19566
State: OPTIMAL
Providers:
1. Name: multipath/DISK3
Mediasize: 53687090688 (50G)
Sectorsize: 512
Stripesize: 4096
Stripeoffset: 0
Mode: r1w1e1
State: OPTIMAL
Consumers:
1. Name: da4
Mediasize: 53687091200 (50G)
Sectorsize: 512
Stripesize: 4096
Stripeoffset: 0
Mode: r2w2e2
State: ACTIVE
2. Name: da5
Mediasize: 53687091200 (50G)
Sectorsize: 512
Stripesize: 4096
Stripeoffset: 0
Mode: r2w2e2
State: ACTIVE
There is a another pool similarly configured with the other 2 multipath
pairs (da0-da3) that also does not mount. I used the single disk pair
for brevity.
Danny
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