https://drew.invadelabs.com/index.php?action=history&feed=atom&title=LoopBackSoftwareRaidMount 2026-04-22T18:38:30Z Revision history for this page on the wiki MediaWiki 1.41.1 https://drew.invadelabs.com/index.php?title=LoopBackSoftwareRaidMount&diff=802&oldid=prev 2018-01-25T08:03:24Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 02:03, 25 January 2018</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>&lt;<del style="font-weight: bold; text-decoration: none;">pre</del>&gt;</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>&lt;<ins style="font-weight: bold; text-decoration: none;">syntaxhighlight lang=bash</ins>&gt;</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>root@drew-8570w:~# ddrescue -S -b 8M /dev/sdd /mnt/hdd/drive_1_of_3.raw</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>root@drew-8570w:~# ddrescue -S -b 8M /dev/sdd /mnt/hdd/drive_1_of_3.raw</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>GNU ddrescue 1.19</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>GNU ddrescue 1.19</div></td></tr> <tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l44">Line 44:</td> <td colspan="2" class="diff-lineno">Line 44:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># mount /dev/vg_raid5/lv_raid5 /mnt/raid5</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># mount /dev/vg_raid5/lv_raid5 /mnt/raid5</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>&lt;/<del style="font-weight: bold; text-decoration: none;">pre</del>&gt;</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>&lt;/<ins style="font-weight: bold; text-decoration: none;">syntaxhighlight</ins>&gt;</div></td></tr> <!-- diff cache key drew_wiki:diff:1.41:old-576:rev-802:php=table --> </table>

Drew https://drew.invadelabs.com/index.php?title=LoopBackSoftwareRaidMount&diff=576&oldid=prev 2016-02-21T07:20:13Z

<p>Created page with &quot;&lt;pre&gt; root@drew-8570w:~# ddrescue -S -b 8M /dev/sdd /mnt/hdd/drive_1_of_3.raw GNU ddrescue 1.19 Press Ctrl-C to interrupt rescued: 500107 MB, errsize: 0 B, current r...&quot;</p> <p><b>New page</b></p><div>&lt;pre&gt;<br /> root@drew-8570w:~# ddrescue -S -b 8M /dev/sdd /mnt/hdd/drive_1_of_3.raw<br /> GNU ddrescue 1.19<br /> Press Ctrl-C to interrupt<br /> rescued: 500107 MB, errsize: 0 B, current rate: 27862 kB/s<br /> ipos: 500104 MB, errors: 0, average rate: 67092 kB/s<br /> opos: 500104 MB, run time: 2.07 h, successful read: 0 s ago<br /> Finished <br /> <br /> root@drew-8570w:~# ddrescue -S -b 8M /dev/sdd /mnt/hdd/drive_2_of_3.raw<br /> GNU ddrescue 1.19<br /> Press Ctrl-C to interrupt<br /> rescued: 500107 MB, errsize: 0 B, current rate: 43862 kB/s<br /> ipos: 500104 MB, errors: 0, average rate: 68264 kB/s<br /> opos: 500104 MB, run time: 2.03 h, successful read: 0 s ago<br /> <br /> drew@drew-8570w:/mnt/hdd$ file *<br /> drive_1_of_3.raw: Linux Software RAID version 1.2 (1) UUID=e9355597:7a4ff30b:21b71007:42443f63 name=127 level=5 disks=3<br /> drive_2_of_3.raw: Linux Software RAID version 1.2 (1) UUID=e9355597:7a4ff30b:21b71007:42443f63 name=127 level=5 disks=3<br /> <br /> root@drew-8570w:~# losetup -f /mnt/hdd/drive_1_of_3.raw <br /> root@drew-8570w:~# losetup -f /mnt/hdd/drive_2_of_3.raw <br /> root@drew-8570w:~# losetup -l<br /> NAME SIZELIMIT OFFSET AUTOCLEAR RO BACK-FILE<br /> /dev/loop0 0 0 0 0 /mnt/hdd/drive_1_of_3.raw<br /> /dev/loop1 0 0 0 0 /mnt/hdd/drive_2_of_3.raw<br /> <br /> <br /> <br /> root@drew-8570w:~# mdadm -Af /dev/md127 -Af /dev/loop0 /dev/loop1<br /> mdadm: /dev/md127 has been started with 2 drives (out of 3).<br /> <br /> root@drew-8570w:~# vgs<br /> VG #PV #LV #SN Attr VSize VFree <br /> vg_hdd 1 1 0 wz--n- 1.82t 0 <br /> vg_raid5 1 1 0 wz--n- 931.52g 558.91g<br /> <br /> root@drew-8570w:~# lvs<br /> LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert<br /> lv_hdd vg_hdd -wi-ao---- 1.82t <br /> lv_raid5 vg_raid5 -wi-ao---- 372.61g <br /> <br /> <br /> <br /> # mount /dev/vg_raid5/lv_raid5 /mnt/raid5<br /> &lt;/pre&gt;</div>

Drew