[stgt] iser Issue, cannot allocate memory

[Roi Dayan]

Hi John,

Can you try to limit the memory pool iser is trying to allocate?
i.e.:
tgtd --iser pool_sz_mb=100

Thanks,
Roi


-----Original Message-----
From: stgt-owner at vger.kernel.org [mailto:stgt-owner at vger.kernel.org] On Behalf Of John Francis
Sent: Tuesday, July 23, 2013 4:32 AM
To: stgt at vger.kernel.org
Subject: iser Issue, cannot allocate memory

Hi,

I have an iser target configured. When I try to log in to that target from another machine, it doesn't work, and the following appears in
/var/log/message:

10:54:33 stor1 tgtd: iser_device_init(3204) iser_init_rdma_buf_pool failed
10:54:37 stor1 tgtd: iser_init_rdma_buf_pool(589) ibv_reg_mr failed, Cannot allocate memory ...

I've tried fiddling with various limits but to no avail. I'm struggling to figure out if the memory limit being hit is card related of host related.

Using some Mellonox cards with ib_mthca module. IPoIB seems to be working fine. It should be noted that this error occurs on initial log in to the target.

--
Kind regards,

John Francis

www.recompute.com.au
6/38 Canterbury Rd Bankstown NSW 2200
T: (02) 9709 5775 ext 9150

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