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...********************************************** cctest1$ df -lh Filesystem Size Used Avail Use% Mounted on /dev/sda1 1.5G 1.1G 306M 78% / tmpfs 62M 4.0K 62M 1% /dev/shm /dev/sda6 4.2G 3.6G 453M 89% /tmp /dev/sda5 938M 205M 685M 23% /var cctest1$ dmesg | grep DMA DMA zone: 101376 pages, LIFO batch:16 cctest1$ for i in `seq 1 10`; do hdparm -tT /dev/sda1; done Timing cached reads: 512 MB in 2.00 seconds = 256.00 MB/sec Timing buffered disk reads: 44 MB in 3.00 seconds = 14.67 MB/sec Timing cached reads:...

...********************************************** cctest1$ df -lh Filesystem Size Used Avail Use% Mounted on /dev/sda1 1.5G 1.1G 306M 78% / tmpfs 62M 4.0K 62M 1% /dev/shm /dev/sda6 4.2G 3.6G 453M 89% /tmp /dev/sda5 938M 205M 685M 23% /var cctest1$ dmesg | grep DMA DMA zone: 101376 pages, LIFO batch:16 cctest1$ for i in `seq 1 10`; do hdparm -tT /dev/sda1; done Timing cached reads: 512 MB in 2.00 seconds = 256.00 MB/sec Timing buffered disk reads: 44 MB in 3.00 seconds = 14.67 MB/sec Timing cached reads:...

...+ buffers/cache: 513980 10480 Swap: 1534072 1100884 433188 But still, there is a lot of swap left. I can see that rsync is in "D" state, and doesn't use much CPU time: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 23311 root 5 -17 685m 440m 488 D 0.0 86.0 2:05.94 rsync 23310 root 0 -17 578m 608 608 S 0.0 0.1 8:41.55 rsync So I made a strace, and rsync wasn't doing much: [root@syn1 kernel]# strace -p 23311 Process 23311 attached - interrupt to quit (ctrl + C after one minute) Process 23311 detached [roo...

...1 root root 2.0G Apr 18 12:08 BBC ONE - 2004,04,18 11,08,42.mpg -rwxr-xr-x 1 root root 502M Apr 15 22:02 Channel 4 - 2004,04,15 21,44,43.mpg -rwxr-xr-x 1 root root 41M Apr 15 21:41 Channel 4 - 2004,04,15 21,39,30.mpg -rwxr-xr-x 1 root root 685M Apr 11 18:35 Sky Travel - 2004,04,11 18,05,34.mpg -rwxr-xr-x 1 root root 34M Apr 11 18:02 Sky Travel - 2004,04,11 18,01,06.mpg -rwxr-xr-x 1 root root 2.0G Apr 10 00:17 Sky Travel - 2004,04,09 23,01,13.mpg -rwxr-xr-x 1 root root 817M Apr 9 01:58 BBC THR...

Currently I''m trying to figure out the best zfs layout for a thumper wrt. to read AND write performance. I did some simple mkfile 512G tests and found out, that per average ~ 500 MB/s seems to be the maximum on can reach (tried initial default setup, all 46 HDDs as R0, etc.). According to http://www.amd.com/us-en/assets/content_type/DownloadableAssets/ArchitectureWP_062806.pdf I would

Hi, I get frequent logfile entries from Shorewall similar to the following: Nov 25 11:22:51 10.0.0.248 kernel: Shorewall:net2mill:DROP:IN=eth2 OUT=eth0 SRC=202.96.117.50 DST=10.0.0.10 LEN=56 TOS=0x00 PREC=0x00 TTL=241 ID=0 PROTO=ICMP TYPE=11 CODE=0 [SRC=10.0.0.10 DST=202.101.167.133 LEN=48 TOS=0x00 PREC=0x00 TTL=1 ID=13591 DF PROTO=TCP INCOMPLETE [8 bytes] ] Could someone explain what the