search for: bbus

On Thu, November 2, 2017 4:43 pm, Keith Keller wrote: > On 2017-11-02, Valeri Galtsev <galtsev at kicp.uchicago.edu> wrote: >> >> If you have not Dell server hardware my choice of [hardware] RAID cards >> would be: >> >> Areca >> LSI (or whoever owns that line these days - Intel was the last one, I >> recollect) >> >> With LSI beware

...s, configured in raid 10, 5, 6 depending on the use case and date stored. (e.g. lots of smaller r/w, some are big files min. some Gig.) We did also a lot of tests with different filesystems settings, so currently we use ext4 and xfs (xfs e.g. for filesystems about 40 TB) And: We do backups, have BBUs and "all luxury" we can get and need. So my original question was focused: Why do I get r/w speed around 80-90MB/s with ftp or scp and only +-40MB/s on samba? I don't want to believe, that smb has such a biiiigggg overhead :) It is the same server, raid, filesystem, network konnec...

The DDRdrive X1 OpenSolaris device driver is now complete, please join us in our first-ever ZFS Intent Log (ZIL) beta test program. A select number of X1s are available for loan, preferred candidates would have a validation background and/or a true passion for torturing new hardware/driver :-) We are singularly focused on the ZIL device market, so a test environment bound by synchronous writes

...v[10]=76 (0x4C) smb_vwv[11]=0 (0x0) smb_vwv[12]=0 (0x0) smb_vwv[13]=0 (0x0) smb_bcc=68 [000] 5C 50 49 50 45 5C 4C 41 4E 4D 41 4E 00 46 00 7A \PIPE\LA NMAN.F.z [010] 57 72 4C 68 00 42 31 33 42 57 57 57 7A 7A 7A 7A WrLh.B13 BWWWzzzz [020] 7A 57 4E 00 50 43 4C 41 42 42 55 53 00 02 00 00 zWN.PCLA BBUS.... [030] 00 57 42 32 31 42 42 31 36 42 31 30 7A 57 57 7A .WB21BB1 6B10zWWz [040] 44 44 7A 00 DDz. switch message SMBtrans (pid 3880) Skipping become_user - already user trans <\PIPE\LANMAN> data=0 params=55 setup=0 calling named_pipe named pipe comman...