search for: blk_wrtn

Hi all We are implementing samba-ldap to act as an nt pdc and are seeing performance problems. We have a 1ghz, 3gb Ram, 36gb box that is running samba-2.2.5 and openldap-2.0.23 under redhat 7.3 with kernel 2.4.18-3. Clients are all Win2k SP3. All the ldap requests are to the localhost interface. The box is acting as the PDC for the domain, and also sharing diskspace and printers. When we get

...n where to go from here? iostat 5 output for the physical devices below: Using a new quad core running Vista client on gigabit - Reads at 8MB/s avg-cpu: %user %nice %system %iowait %steal %idle 2.81 0.00 9.62 73.95 0.00 13.63 Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn hda 51.10 3033.27 20.84 15136 104 hde 53.91 3028.46 16.03 15112 80 hdg 49.90 2993.19 19.24 14936 96 hdi 47.49 3036.47 6.41 15152...

...se the block written speed is increased by the same amount. How could I really slow down I/O while using rsync? Any help would be greatly appreciated. Regards, - Reeve rsync without --bwlimit: > iostat; rsync -a -r --stats swapfile swapfile.rsync; iostat Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn sda 7.53 103.43 421.27 64549578 262909196 Number of files: 1 Number of files transferred: 1 Total file size: 2147483648 bytes Total transferred file size: 2147483648 bytes Literal data: 2147483648 bytes Matched data: 0 bytes File list size: 73 F...

...g superblock: done Writing backup superblock: 4 block(s) Formatting Journals: done Formatting slot map: done Writing lost+found: done mkfs.ocfs2 successful My linux has "load average" more than 2 (now is load average: 8.47, 6.30, 6.61) "iostat" is tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn 1107.00 4619.50 166.75 9239 333 Can you help me somebody? Thank you Jan

...34952k free, 142100k buffers Swap: 16777208k total, 66140k used, 16711068k free, 1276564k cached iostat Snapshot ============ avg-cpu: %user %nice %system %iowait %steal %idle 18.96 0.00 25.57 5.16 0.01 50.30 Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn sda 54.19 63.31 2460.80 42689802 1659234904 sdb 55.12 76.41 2460.80 51521720 1659234904 md1 315.95 139.72 2442.00 94207644 1646554216 md0 0.01 0.00 0.02 1422...

...domains]# iostat Linux 2.6.32-431.29.2.el6.x86_64 (ns1.bizmailserver.net) 02/10/2017 _x86_64_ (12 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 2.67 0.00 0.65 3.43 0.00 93.25 Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn sdd 44.95 1094.25 765.10 720884842 504041712 sdc 1.92 32.15 0.03 21178186 21248 sdb 34.71 1377.37 625.54 907398402 412102224 sda 49.88 124.29 2587.32 81879548 17...

...re in contact with them... as in, they inform us of any issues they have with linux/ocfs on their hardware. As we do not have this particular hardware inhouse, all we can only speculate as to what the issue is. Things to look for ==> output of.... iostat 1 Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn dev8-1 2.00 36.00 1.00 36 1 This is just with 1 mounted ocfs volume and no processes touching it. Notice the 2.00 tps... transfers per sec. If you see something like 37 or so, you are running into a known EL3 issue. (I think you a...

...da) and 4 other drives in RAID 10 (/dev/sdb). When I query iostat, I get : [root at golgoth ~]# iostat Linux 2.6.9-55.ELsmp (golgoth.acaiq-ctb.lan) 09/21/2009 avg-cpu: %user %nice %sys %iowait %idle 1.83 0.00 3.04 0.79 94.34 Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn sda 8.44 12.25 32.40 489731534 1295151278 sda1 0.00 0.00 0.00 21360 7478 sda2 6.60 80.90 44.41 3234128950 1775185432 sda3 0.05 0.20 0.23 7852212...

Hi people... Here we use Xen 4 with Debian Lenny... We''re using kernel 2.6.31.13 pvops... As a storage system, we use AoE devices... So, we installed VM''s on AoE partition... The "NAS" server is a Intel based baremetal with SATA hard disc... However, sometime I feeling that VM''s is so slow... Also, all VM has GPLPV drivers installed... So, I am thing about