Hi there,
Just now one of my LVs became unusable, as in every operation done
on its mounted filesystem just blocks forever.
I believe it is still mounted however that is inside a Xen domain
that no longer exists so I don't know how to confirm that.
Based on previous advice I tried to run "dmsetup info -c" and "lvs
-v" to compare results, but "lvs -v" also gets stuck here:
[andy@curacao andy]$ sudo lvs -v
Finding all logical volumes
I believe the "stuck" LV is /dev/mapper/mainvg-adminroot.
Anyone have any suggestions how I can get use of this LV again
without rebooting? Here is the output from "dmsetup info -c":
[andy@curacao andy]$ sudo dmsetup info -c
Name Maj Min Stat Open Targ Event UUID
mainvg-snapoutpostlonthlroot 254 18 L--w 0 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW43KIFDMhuc66kGoKopCggfSa4ijWQCF1B
mainvg-snapcholetroot 254 28 L--w 0 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW48TFpObhJOO6dcjNdwBMNL1IxV5AvbUaK
mainvg-snaphomelv-cow 254 3 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4ft5n3X4Wesr501vvlHBdydbx31jkfKMV-cow
mainvg-saffronswap 254 50 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4zSKpfytAZ9EUG4rqIvZABneBhuWRkxht
mainvg-saffronroot 254 49 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW40HQxP1U2QHGJ7cYPF7rtRD0sLiLYFucm
mainvg-ruminantswap 254 45 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4YLA67yfx2jRo4tylP31c127lFMxVKXqB
mainvg-ruminantroot 254 44 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4NolJn0Zj9cLM4kMcNIW1nGAE6LWbphJz
mainvg-usrlv 254 0 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4mT2ApHrAfpAnDCWjRGAzyrY145rJMmcD
mainvg-snapoutpostlonthlroot-cow 254 17 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW43KIFDMhuc66kGoKopCggfSa4ijWQCF1B-cow
mainvg-snapcholetroot-cow 254 26 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW48TFpObhJOO6dcjNdwBMNL1IxV5AvbUaK-cow
mainvg-ruminantdata 254 46 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4hbYSoa2T5XuNRw73bU5BOXmTBDv6ibVX
mainvg-strugglersroot-real 254 12 L--w 2 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW43jwledji1nh8rtcbheq8MUU1vi937zDK-real
mainvg-blueswap 254 48 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4RjnFTRybYJqK8drln4HzMYWnbfk33aSu
mainvg-seinfeldswap 254 25 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4XScAry8eVwasTOLeIh6HfGSHim3fIuv9
mainvg-snapseinfeldroot-cow 254 22 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4yh6e80ZEQafHKSe4jo6ydJWe1T0A1lkj-cow
mainvg-blueroot 254 47 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4Xx1o20L4fpev6EU5wMB6mHhayQsnRLQg
mainvg-adminswap 254 43 L--w 0 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW48Q2Z20jIewK2Vdt47Kn4IO6KBI28PIAm
mainvg-seinfeldroot 254 24 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW43BT9T40cl5HYYg3j1QIwfp5hc0LIqUsI
mainvg-adminroot 254 38 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4CjHGy8QpGKoH35P5U58Di1NKeYspeIR2
mainvg-admindata 254 42 L--w 0 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4cCHdlPbllQNt50aJANhLrqbjUkK7jCsP
mainvg-tmplv 254 2 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4tfVsPETP9bimi535hqeX6Ch1yhYGePxS
mainvg-admindata-real 254 39 L--w 2 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4cCHdlPbllQNt50aJANhLrqbjUkK7jCsP-real
mainvg-snapstrugglersroot 254 13 L--w 0 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW41yOu8xefQnL6FK69xAojAvXYqLcAlI0g
mainvg-snaphomelv 254 5 L--w 0 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4ft5n3X4Wesr501vvlHBdydbx31jkfKMV
mainvg-outpostlonthlroot-real 254 16 L--w 2 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4oTAjSEuyiaawrNF6iUbSrZqzWCHqOW1P-real
mainvg-snapstrugglersdata 254 33 L--w 0 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4gKZfk2xyEo6749X1uLWyPhxF3tP8sfvM
mainvg-choletroot-real 254 27 L--w 2 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4ZlGfn0e2THSlmotbck1bJBEPr12ngi7r-real
mainvg-seinfeldroot-real 254 21 L--w 2 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW43BT9T40cl5HYYg3j1QIwfp5hc0LIqUsI-real
mainvg-strugglersswap 254 15 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW43CcBI91LrT914eNMDyzhdYjym0rVQTsF
mainvg-outpostlonthlswap 254 20 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4BR8eDYVYzQJXlGPplq1YKB27p7h3HtZV
mainvg-strugglersroot 254 14 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW43jwledji1nh8rtcbheq8MUU1vi937zDK
mainvg-outpostlonthlroot 254 19 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4oTAjSEuyiaawrNF6iUbSrZqzWCHqOW1P
mainvg-homelv 254 6 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4cd3BqQaBDxmVgo7X37SYp33yQBeOA0n0
mainvg-strugglersdata 254 34 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4gp5msGLmNEROJHmToKkpBxe8SC8I7xQ6
mainvg-varlv 254 1 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4z0sYK4fz3qSmLuXYIvjR3y0Nt22DgsCB
mainvg-snapdatalv 254 9 L--w 0 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4HAJcH84mtd6DzqhjIxPsZGM0fhFKIp9B
mainvg-adminroot-real 254 36 L--w 2 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4CjHGy8QpGKoH35P5U58Di1NKeYspeIR2-real
mainvg-choletswap 254 30 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW47YXxUIkZdkdioRs7QxsBBJXFa0jslAWS
mainvg-choletroot 254 29 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4ZlGfn0e2THSlmotbck1bJBEPr12ngi7r
mainvg-homelv-real 254 4 L--w 2 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4cd3BqQaBDxmVgo7X37SYp33yQBeOA0n0-real
mainvg-snapstrugglersroot-cow 254 11 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW41yOu8xefQnL6FK69xAojAvXYqLcAlI0g-cow
mainvg-datalv 254 10 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4OesUvyDaFU9O4jKDhPlChy4LpwYAMoe4
mainvg-snapadminroot 254 37 L--w 0 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW46RYghmBICie3mZ3GbWDWt4L2rziM1iuc
mainvg-snapstrugglersdata-cow 254 32 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4gKZfk2xyEo6749X1uLWyPhxF3tP8sfvM-cow
mainvg-snapseinfeldroot 254 23 L--w 0 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4yh6e80ZEQafHKSe4jo6ydJWe1T0A1lkj
mainvg-snapadmindata 254 41 L--w 0 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4MifVzYFYKQGTZDyn3ZxjL7CLyh70DrxK
mainvg-strugglersdata-real 254 31 L--w 2 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4gp5msGLmNEROJHmToKkpBxe8SC8I7xQ6-real
mainvg-snapadminroot-cow 254 35 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW46RYghmBICie3mZ3GbWDWt4L2rziM1iuc-cow
mainvg-datalv-real 254 7 L--w 2 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4OesUvyDaFU9O4jKDhPlChy4LpwYAMoe4-real
mainvg-snapdatalv-cow 254 8 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4HAJcH84mtd6DzqhjIxPsZGM0fhFKIp9B-cow
mainvg-snapadmindata-cow 254 40 L--w 1 1 0 PqzqVKCpoXCXe6QAIW4C32bS66OoLnW4MifVzYFYKQGTZDyn3ZxjL7CLyh70DrxK-cow
It seems odd to me that any of the LVs above with "snap" in their
name show an open count since I don't have any of them mounted
currently.
Kernel 2.6.11 with Xen patches (2.0.6).
Thanks,
Andy
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