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тАО07-25-2005 09:20 PM
тАО07-25-2005 09:20 PM
I try to create a new vg but its not happening..
# vgcreate /dev/vg01 /dev/dsk/c3t5d0
Increased the number of physical extents per physical volume to 1023.
vgcreate: Volume group "/dev/vg01" could not be created:
Device busy
I have created vg01 under /dev then also make the nod using mknod command.. may i know what i did wrong?
Thanks
regards
Henry
Solved! Go to Solution.
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тАО07-25-2005 09:23 PM
тАО07-25-2005 09:23 PM
Re: cant create new VG
Whether PV create is thro for this desired disk.And also find out the diskinfo output for the same device.
Regards
S.Arunkumar
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тАО07-25-2005 09:25 PM
тАО07-25-2005 09:25 PM
Re: cant create new VG
ll /dev/vg*/group
Check the minor numbers
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тАО07-25-2005 09:33 PM
тАО07-25-2005 09:33 PM
Re: cant create new VG
#ll /dev/vg*/group
crw-r--r-- 1 root sys 64 0x000000 May 22 1997 /dev/vg00/group
crw-rw-rw- 1 root sys 64 0x030000 Jul 26 16:36 /dev/vg01/group
#diskinfo -v /dev/rdsk/c3t5d0
SCSI describe of /dev/rdsk/c3t5d0:
vendor: SEAGATE
product id: ST34371W
type: direct access
size: 4194157 Kbytes
bytes per sector: 512
rev level: HPM2
blocks per disk: 8388314
ISO version: 0
ECMA version: 0
ANSI version: 2
removable media: no
response format: 2
(Additional inquiry bytes: (32)44 (33)52 (34)33 (35)31 (36)35 (37)36 (38)31 (39)0 (40)0 (41)0 (42)0 (43)0 (44)0 (45)0 (
46)0 (47)0 (48)0 (49)0 (50)0 (51)0 (52)0 (53)0 (54)0 (55)0 (56)0 (57)0 (58)0 (59)0 (60)0 (61)0 (62)0 (63)0 (64)0 (65)0 (66
)0 (67)0 (68)0 (69)0 (70)0 (71)0 (72)0 (73)0 (74)0 (75)0 (76)0 (77)0 (78)0 (79)0 (80)0 (81)0 (82)0 (83)0 (84)0 (85)0 (86)0
(87)0 (88)0 (89)0 (90)0 (91)0 (92)43 (93)6f (94)70 (95)79 (96)72 (97)69 (98)67 (99)68 (100)74 (101)20 (102)28 (103)63 (10
4)29 (105)20 (106)31 (107)39 (108)39 (109)36 (110)20 (111)53 (112)65 (113)61 (114)67 (115)61 (116)74 (117)65 (118)20 (119)
41 (120)6c (121)6c (122)20 (123)0 (124)7f (125)fe (126)da (127)0 (128)0 (129)2 (130)0 (131)0 (132)0 (133)0 (134)0 (135)0 (
136)0 (137)0 (138)0 )
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тАО07-25-2005 09:36 PM
тАО07-25-2005 09:36 PM
Re: cant create new VG
Try to increase the PE size with -s switch.
(8,16,32 ...etc)
Just a thought.
Regds
TT
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тАО07-25-2005 09:38 PM
тАО07-25-2005 09:38 PM
Solutiongo thru this lengthy post:
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=939280
also a good LVM doc (just published):
http://docs.hp.com/en/5991-1236/When_Good_Disks_Go_Bad.pdf
regards.
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тАО07-25-2005 09:43 PM
тАО07-25-2005 09:43 PM
Re: cant create new VG
another thing. before vgcreate, did u perform pvcreate on that physical disk:
# pvcreate -f /dev/rdsk/c3t5d0
regards.
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тАО07-25-2005 09:47 PM
тАО07-25-2005 09:47 PM
Re: cant create new VG
I am sure there is no problem in your disk
Can u redo the same things as follows
First check the LVMtab file
1.strings /etc/lvmtab
your disk should not participate in any existing VG
2. pvcreate -f /dev/rdsk/c3t5d0
3. mkdir /dev/vg01
4. mknod group c 64 0x010000
6. vgcreate /dev/vg01 /dev/dsk/c3t5d0
Regards
S.Arunkumar
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тАО07-25-2005 11:07 PM
тАО07-25-2005 11:07 PM
Re: cant create new VG
Do pvcreate -f /dev/rdsk/c3t5d0 and then repeat the steps you have taken.
If it fails, try dd if=/dev/dsk/c3t5d0 of=/dev/null bs=64 to query the disk and see if it is physically OK
Regards
Mahesh
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тАО07-26-2005 12:49 AM
тАО07-26-2005 12:49 AM
Re: cant create new VG
Is is through ? The reason for this apears to be only that your disk is rather not prepared for LVM i.e pvcreate is not done or the disk is part of second VG.
Could you post the output of following commands.
1. pvdisplay -v /dev/dsk/c3t5d0
2. strings /etc/lvmtab
HTH,
Devender