Petro, what's the lvcreate command line ? (highmem may cause problems if you use the snapsho9t, creation should work fine) Regards, Heinz -- The LVM Guy -- On Fri, Jul 11, 2003 at 05:01:27PM -0700, Petro wrote: > Hello again. > > I'm having a problem with LVM, and I'm really, really hoping you won't > tell me it's because of: > > # CONFIG_NOHIGHMEM is not set > CONFIG_HIGHMEM4G=y > # CONFIG_HIGHMEM64G is not set > CONFIG_HIGHMEM=y > CONFIG_HIGHIO=y > > (linux kernel 2.4.21, lvm 1.0.7 stuff installed) > > I've got 8 boxes with 4 gig of memory, and 6 200 gig drives in a raid 0 > setup, and I need to use LVM+Snapshots. > > I can setup and create a 1.09T logical volume, but when I go to create a > snaphot, I get: > > lvcreate -- INFO: using default snapshot chunk size of 64 KB for "/dev/vg0/test" > lvcreate -- ERROR "Cannot allocate memory" creating VGDA for "/dev/vg0/test" in kernel > > Now, in reading past posts there is some talk of how having "high > memory" turned on will cause problems with snapshots. > > The problem is that on these machines I *need* 4 gig of memory, and I > *need* snapshots. > > Help? > > > --- Physical volume --- > PV Name /dev/sda > VG Name vg0 > PV Size 1.09 TB [2344319232 secs] / NOT usable 32.31 MB [LVM: 267 KB] > PV# 1 > PV Status available > Allocatable yes > Cur LV 1 > PE Size (KByte) 32768 > Total PE 35770 > Free PE 570 > Allocated PE 35200 > PV UUID LyEPH1-pq2I-D022-v5c9-98rp-n7Ff-4LnNKL > > --- Volume group --- > VG Name vg0 > VG Access read/write > VG Status available/resizable > VG # 0 > MAX LV 256 > Cur LV 1 > Open LV 1 > MAX LV Size 2 TB > Max PV 256 > Cur PV 1 > Act PV 1 > VG Size 1.09 TB > PE Size 32 MB > Total PE 35770 > Alloc PE / Size 36032 / 1.10 TB > Free PE / Size 4294967034 / 131071.99 TB > VG UUID KciSkB-xbr8-22RM-zmke-6A69-6BEM-xLWMzv > > --- Logical volume --- > LV Name /dev/vg0/lv0 > VG Name vg0 > LV Write Access read/write > LV Status available > LV # 1 > # open 1 > LV Size 1.07 TB > Current LE 35200 > Allocated LE 35200 > Allocation next free > Read ahead sectors 1024 > Block device 58:0 > > > procs memory swap io system cpu > r b w swpd free buff cache si so bi bo in cs us sy id > 0 0 0 0 3949704 1648 26104 0 0 3 2 27 5 0 0 100 > > > -- > "On two occasions, I have been asked [by members of Parliament], 'Pray, > Mr. Babbage, if you put into the machine wrong figures, will the right > answers come out?' I am not able to rightly apprehend the kind of confusion > of ideas that could provoke such a question." -- Charles Babbage > > _______________________________________________ > linux-lvm mailing list > linux-lvm@sistina.com > http://lists.sistina.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ *** Software bugs are stupid. Nevertheless it needs not so stupid people to solve them *** =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Heinz Mauelshagen Sistina Software Inc. Senior Consultant/Developer Am Sonnenhang 11 56242 Marienrachdorf Germany Mauelshagen@Sistina.com +49 2626 141200 FAX 924446 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- _______________________________________________ linux-lvm mailing list linux-lvm@sistina.com http://lists.sistina.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
