Suse User Posted October 15, 2014 Share Posted October 15, 2014 I'm having an issue with both my main UnRaid and my backup test box where a single disk seems to be experiencing constant read access. I've recently populated each of the affected disks with backup data including a large number of photos. My assumption is that some kind of spotlight index or other index caching is going on by 1 or more machines on my network. Is there a command line way to quickly see what current connections are active on my server and reading (or writing) data? Thanks, Mark. Link to comment
itimpi Posted October 15, 2014 Share Posted October 15, 2014 You can use the 'lsof' command to find out what files are open. Link to comment
Suse User Posted October 15, 2014 Author Share Posted October 15, 2014 You can use the 'lsof' command to find out what files are open. That looks like it will be just the thing. I do have a lot of open files, but I've discovered that on both machines the disks being accessed contain backups of Macs and it is a Mac that appears to be the only machine connected using netstat -an | grep ESTABLISHED Which is the command I discovered on a Linux forums. Thanks Link to comment
Suse User Posted October 15, 2014 Author Share Posted October 15, 2014 using Grep (something I don't really understand how to work correctly) with:- lsof | grep disk cache_dir 1404 root cwd DIR 9,1 336 2 /mnt/disk1 cache_dir 1405 root cwd DIR 9,10 224 2 /mnt/disk10 cache_dir 1406 root cwd DIR 9,2 152 2 /mnt/disk2 cache_dir 1407 root cwd DIR 9,3 128 2 /mnt/disk3 cache_dir 1408 root cwd DIR 9,4 368 2 /mnt/disk4 cache_dir 1409 root cwd DIR 9,5 160 2 /mnt/disk5 cache_dir 1410 root cwd DIR 9,6 152 2 /mnt/disk6 cache_dir 1411 root cwd DIR 9,7 288 2 /mnt/disk7 cache_dir 1412 root cwd DIR 9,8 104 2 /mnt/disk8 cache_dir 1413 root cwd DIR 9,9 232 2 /mnt/disk9 find 2431 root cwd DIR 9,1 285168 56315 /mnt/disk1/backup/2009-06-22 Old TimeMachine/Xxxxxxxx’s iMac_001ec21b47a8.sparsebundle/bands sleep 3153 root cwd DIR 9,9 232 2 /mnt/disk9 sleep 3155 root cwd DIR 9,8 104 2 /mnt/disk8 sleep 3157 root cwd DIR 9,2 152 2 /mnt/disk2 sleep 3159 root cwd DIR 9,5 160 2 /mnt/disk5 sleep 3161 root cwd DIR 9,6 152 2 /mnt/disk6 sleep 3163 root cwd DIR 9,3 128 2 /mnt/disk3 sleep 3165 root cwd DIR 9,7 288 2 /mnt/disk7 sleep 3167 root cwd DIR 9,1 336 2 /mnt/disk1 sleep 3169 root cwd DIR 9,10 224 2 /mnt/disk10 sleep 3171 root cwd DIR 9,4 368 2 /mnt/disk4 smbd 30698 nobody cwd DIR 9,1 336 2 /mnt/disk1 smbd 30698 nobody 33r DIR 9,1 336 2 /mnt/disk1 smbd 30698 nobody 38r DIR 9,1 136 18 /mnt/disk1/backup/Xxxxxx's Macbook Those last 3 lines are SMB connections to disk1? That is the disk that is current constantly reading. Link to comment
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