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On Fri, Apr 2, 2010 at 2:50 PM, Volker Armin Hemmann |
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<volkerarmin@××××××××××.com> wrote: |
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> On Freitag 02 April 2010, Neil Bothwick wrote: |
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>> On Fri, 2 Apr 2010 20:40:54 +0200, Volker Armin Hemmann wrote: |
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>> > > LVM and RAID are completely different animals. No one suggested using |
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>> > > it for any reasons of data security, running LVM on a RAID array |
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>> > > gives both security and flexibility. As for being able to add space |
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>> > > to RAID, you can't temporarily add a new volume whenever you want, |
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>> > > you have to go out and buy another drive, then power down the |
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>> > > computer to fit it, assuming there is room in the case for an extra |
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>> > > drive. |
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>> > |
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>> > no need to power down - and you can add and remove drives. Read man |
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>> > mdadm. |
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>> |
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>> Assuming your controller supports hotplugging, assuming you have a drive |
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>> available to plug in, assuming you are able to physically add a drive. |
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> |
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> sata can hotplug. all ahci controlers can hotplug and all sata drives can |
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> hotplug. If you insist on technology straight from the stone ages that is your |
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> problem. |
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Do you know if it's necessary to signal to the system (like /proc/scsi |
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something) that I'm about to unplug the drive, and in which order the |
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power/data need to be disconnected to prevent a problem? I'm curious |
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in case of future need. :) |
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Thanks. |
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