Date: Thu, 24 Jul 2014 15:11:31 -0500 From: Larry Rosenman <ler@lerctr.org> To: Allan Jude <allanjude@freebsd.org> Cc: Freebsd fs <freebsd-fs@freebsd.org>, Mark Martinec <Mark.Martinec+freebsd@ijs.si>, freebsd-current@freebsd.org Subject: Re: zfs send/recv: STILL invalid Backup Stream Message-ID: <6e382c7d7efc8b4ddc3b770985eac1e0@thebighonker.lerctr.org> In-Reply-To: <53D1678C.4000007@freebsd.org> References: <62315eb454a95db636b7764aad3c0f9b@thebighonker.lerctr.org> <53D1448C.40908@freebsd.org> <d0612ef9399b4e95bd09e5271c91505b@thebighonker.lerctr.org> <eefa10e173e2e23a88c85c38221a1c22@thebighonker.lerctr.org> <53D15438.6040105@freebsd.org> <0a9cd451c3b4304d2b9d899fcb3decc3@thebighonker.lerctr.org> <cc635a377e817cb57d27650ed3e558f4@thebighonker.lerctr.org> <3d2aac84d962a703fbf56a864ba5f19c@mailbox.ijs.si> <c93ef94a8e9e076b86a65f4986d0e30d@thebighonker.lerctr.org> <53D1678C.4000007@freebsd.org>
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On 2014-07-24 15:07, Allan Jude wrote: > On 2014-07-24 15:57, Larry Rosenman wrote: >> On 2014-07-24 14:53, Mark Martinec wrote: >>> 2014-07-24 21:31, Larry Rosenman wrote: >>>> borg.lerctr.org /home/ler # zxfer -dFkPvs -g 376 -O >>>> root@tbh.lerctr.org -R zroot zroot/backups/TBH >>>> Creating recursive snapshot zroot@zxfer_26699_20140724135840. >>>> Checking grandfather status of all snapshots marked for deletion... >>>> Grandfather check passed. >>>> Sending zroot@zxfer_26699_20140724135840 to zroot/backups/TBH/zroot. >>>> Sending zroot/ROOT@zxfer_26699_20140724135840 to >>>> zroot/backups/TBH/zroot/ROOT. >>>> Sending zroot/ROOT/default@zxfer_23699_20140724134435 to >>>> zroot/backups/TBH/zroot/ROOT/default. >>>> Sending zroot/ROOT/default@zxfer_26699_20140724135840 to >>>> zroot/backups/TBH/zroot/ROOT/default. >>>> (incremental to zroot/ROOT/default@zxfer_23699_20140724134435.) >>>> Sending zroot/home@zxfer_26699_20140724135840 to >>>> zroot/backups/TBH/zroot/home. >>> >>>> Write failed: Cannot allocate memory >>> ==================================== >>> >>>> cannot receive new filesystem stream: invalid backup stream >>>> Error when zfs send/receiving. >>>> borg.lerctr.org /home/ler # >>>> >>>> well that's different....... >>> >>> Sounds familiar, check my posting of today and links therein: >>> >>> >>> http://lists.freebsd.org/pipermail/freebsd-net/2014-July/039347.html >>> >>> Mark >> I'm not using netgraph to the best of my knowledge.... >> and the only fails on the SENDING host are: >> 8 Bucket: 64, 0, 41, 3555, 257774, 11, >> 0 >> 12 Bucket: 96, 0, 96, 2569, 123653, 0, >> 0 >> 16 Bucket: 128, 0, 17195, 506, 215573, 0, >> 0 >> 32 Bucket: 256, 0, 340, 4670, 900638, 50, >> 0 >> 64 Bucket: 512, 0, 10691, 365, 546888,185232, >> 0 >> 128 Bucket: 1024, 0, 3563, 905, 348419, 0, >> 0 >> 256 Bucket: 2048, 0, 2872, 162, 249995,59834, >> 0 >> vmem btag: 56, 0, 192811, 51500, 502264,1723, >> 0 >> >> > > I regularly use zxfer to transfer 500+ GiB datasets over the internet. > This week I actually replicated a 2.1 TiB dataset with zxfer without > issue. > > I wonder which thing is running out of memory. Is there a delay while > it > is 'running out of memory', or does it fail immediately? Does running > top while it is working on running out of memory reveal anything? > > I would expect to use up a lot of memory while doing deduplication, but > not otherwise. > > Note: I most often use openssh-portable rather than base ssh for > replication, as I enable the nonecipher to reduce CPU usage, and adjust > the TcpRcvBuf upwards to actually saturate a gigabit over the internet. I wasn't watching exactly what it was doing, but the sending box has 16G and 18G Swap and swap has NOT been touched. last pid: 74288; load averages: 4.70, 5.61, 5.91 up 1+03:14:18 15:10:44 115 processes: 3 running, 112 sleeping CPU: 0.6% user, 33.3% nice, 0.6% system, 0.1% interrupt, 65.4% idle Mem: 847M Active, 761M Inact, 14G Wired, 4616K Cache, 357M Free ARC: 12G Total, 6028M MFU, 5281M MRU, 3152K Anon, 120M Header, 688M Other Swap: 18G Total, 18G Free so I have zero idea where to go here. -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 214-642-9640 (c) E-Mail: ler@lerctr.org US Mail: 108 Turvey Cove, Hutto, TX 78634-5688
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