i have forgoten my mail : svetljo@lycos.com galia@st-peter.stw.uni-erlangen.de i'll be tankfull for any idea write me can somebody tell me where is the problem and what can i do about it the first time i try to mount the LV mount segfaults and after that i am not able to mount any other file system ( partition, CD ...) : root@svetljo#mount -o ro /dev/scd0 /mnt/cdrom no messeges from mount but it blocks the console and does not mount the CD i'm running MDK8.1(cooker) with kernel 2.4.9-xfs-cvs with LVM 1.0.1-rc1 ABIT BP6 dual Celleron533 512Mb RAM onboard HPT366 UDMA66 controler on the HPT366 2xWD 30Gb(/dev/hde /dev/hdg) 1xMaxtor 40Gb(/dev/hdh) here is the console output: [root@svetljo mnt]# cat /proc/mdstat Personalities : [linear] [raid0] [raid5] read_ahead 1024 sectors md7 : active linear hde6[1] hde11[0] 13936128 blocks 64k rounding md6 : active linear hdg6[3] hdg12[2] hdg1[1] hdg5[0] 14409856 blocks 64k rounding md0 : active raid0 hdh6[2] hdg10[1] hde8[0] 8064256 blocks 8k chunks md1 : active raid0 hdh7[2] hdg9[1] hde10[0] 24579072 blocks 16k chunks md8 : active raid0 hdh8[1] hdg7[0] 529920 blocks 64k chunks unused devices: <none> [root@svetljo mnt]# vgscan vgscan -- reading all physical volumes (this may take a while...) vgscan -- found active volume group "myData" vgscan -- found active volume group "wish" vgscan -- "/etc/lvmtab" and "/etc/lvmtab.d" successfully created vgscan -- WARNING: This program does not do a VGDA backup of your volume groups [root@svetljo mnt]# vgdisplay myData --- Volume group --- VG Name myData VG Access read/write VG Status available/resizable VG # 0 MAX LV 255 Cur LV 1 Open LV 0 MAX LV Size 255.99 GB Max PV 255 Cur PV 3 Act PV 3 VG Size 41.50 GB PE Size 4.00 MB Total PE 10624 Alloc PE / Size 7170 / 28.01 GB Free PE / Size 3454 / 13.49 GB VG UUID EqfM1F-WKiN-41Jw-D7kl-PSwv-jLp7-4fFjIo [root@svetljo mnt]# lvdisplay /dev/myData/Music --- Logical volume --- LV Name /dev/myData/Music VG Name myData LV Write Access read/write LV Status available LV # 1 # open 0 LV Size 28.01 GB Current LE 7170 Allocated LE 7170 Stripes 3 Stripe size (KByte) 4 Allocation next free Read ahead sectors 32 Block device 58:0 [root@svetljo mnt]# mount -t xfs /dev/myData/Music music Segmentation fault [root@svetljo mnt]# df Filesystem 1k-blocks Used Available Use% Mounted on /dev/md0 8064004 7593920 470084 95% / /dev/hde5 31079 23564 5911 80% /boot none 256252 0 256252 0% /dev/shm /dev/md1 24574272 24444608 129664 100% /mnt/md1 /dev/hde1 441520 272376 169144 62% /mnt/win_c [root@svetljo mnt]# lvdisplay /dev/myData/Music --- Logical volume --- LV Name /dev/myData/Music VG Name myData LV Write Access read/write LV Status available LV # 1 # open 1 <---- LV Size 28.01 GB Current LE 7170 Allocated LE 7170 Stripes 3 Stripe size (KByte) 4 Allocation next free Read ahead sectors 32 Block device 58:0 ------------------------------------------------------------------------ and one more question : can i make a VG and LV's over LV's the idea is replacing the linear sofware RAID with a linear LV's, but i think i'll have the same roblems that i had with the raid the LV ( lvcreate -i3 -I4 -L26G -nMusic ) the VG -> myData /dev/hdh10 /dev/linVG1/linLV1 /dev/linVG2/linLV2 /dev/hdh10 normal partition 14G /dev/linVG1/linLV1 -> linear LV 14G /dev/hde6 /dev/hde12 /dev/linVg2/linLV2 -> linear LV 14G /dev/hdg1 /dev/hdg5 /dev/hdg6 /dev/hdg12 > Hi i couldn't change the partition's id of the RAID but i mannaged it > to create the VG, LV and to format the LV > but when i try to mount the the LV mount segfaults and every try to > do anything with the LV finish witth a sleep > i mean when i try to mount anything ( a partition, a CD or a LV) after > the segfault of the first ' mount -t xfs /dev/myData/Music /mnt/music > ' mount goes to sleep and do not do anything > vgdisplay says that the volume is activ > lvremove says that the volume is open and can not be removed > do you have an idea wthat is the problem > and what can i try > > the LV ( lvcreate -i3 -I4 -L26G -nMusic ) > > the VG -> myData /dev/hdh10 /dev/md6 /dev/md7 > > /dev/hdh10 normal partition 14G > /dev/md6 -> linear software RAID 14G /dev/hde6 /dev/hde12 > /dev/md7 -> linear software RAID 14G /dev/hdg1 /dev/hdg5 /dev/hdg6 > /dev/hdg12 > > the reason: > > after trying BeOS, FreeBSD and useing windows , i was trying to switch > complete to linux without having to repartiton all the drives( i have > tree ) > and lose about 30G of Data + and a new instalation ( the current Data > and instalation is over a software RAID-0 other a striped LV's or to > back up 30 Gigs of Data > AJ Lewis wrote: > >>On Thu, Aug 30, 2001 at 03:26:38PM +0200, svetljo wrote: >> >>>Hi i saw your postings on the lvm-board >>>and i was woundering whether you can help me >>> >>>can you plese tell me how can i change the type of 'partition' on >>>md-device (softweare Linear RAID ) >>>i can not make it with fdisk on md-device >>> >>>i have 3 disks with a lot of partitions and i wanted to build striped >>>LV's on a new VG >>>i've created the VG ( /dev/md5 /dev/md6 /dev/hdh10 ) >>>but when i try to create LV's it returns to me that not all PV's are >>>online ( md5 ) >>>and /proc/mdstat tells me that everything is ok : >>> md5 ( /dev/hde6 /dev/hde12 linear) and md6 (/dev/hdg1 /dev/hdg2 >>>/dev/hdg8 linear) are online >>>but they are marked as ext2 partitions >>> >>>can you please help me >>> >> >>I'm sorry. I don't personally have any experience using md. I suggest you >>post this to linux-lvm. There should be people there that have done what >>you're proposing. >> >>>linux-2.4.9-xfs-cvs with LVM 1.0.1rc1 >>> >> >>Regards, >> > >