On Thu, 2004-05-13 at 11:04, Martin Michlmayr wrote: > * Andres Salomon <dilinger@voxel.net> [2004-05-13 10:57]: > > This is definitely not available in 2.6. The way I've historically > > checked for the existence of lvm driver support in 2.6 has been with: > > > > grep "[0-9] device-mapper$" /proc/misc > > But does this work under 2.4? Hmm, yeah, seem so. > > 574:tbm@unjust: ~] cat /proc/misc > 63 device-mapper > 134 apm_bios > 135 rtc > 1 psaux > 575:tbm@unjust: ~] uname -a > Linux unjust.cyrius.com 2.4.26-1-686 #3 Sun Apr 18 21:17:21 EST 2004 i686 GNU/Linux > 576:tbm@unjust: ~] Yes, it works for all kernel versions using device-mapper. Does d-i allow you to pick whether to use lvm10 or lvm2? If so, then you'll need to keep your lvm10 check for /proc/lvm, and add the additional /proc/misc dm check for lvm2. If d-i always uses lvm2, then checking /proc/misc (regardless of kernel version) should always work.
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