also i can meet same error when i just create LV not snapshot on a fresh
system with a empty vg initially. this time i can create around 282 LV
before fail.
i run this script.
#!/bin/bash
LIMIT=300
a=1
while [ "$a" -le $LIMIT ]
do
lvcreate -L20M -nv$a vgtest
free
let "a+=1"
done
[root@localhost ~]# lvcreate --version
LVM version: 2.01.10 (2005-05-03)
Library version: 1.01.02 (2005-05-17)
Driver version: 4.4.0
ming
On Mon, 2005-06-06 at 15:48 -0400, Ming Zhang wrote:
> i always meet this error when i create 142th snapshot.
>
> I changed kernel dm code a bit so it now allow large # of snapshots to
> be created. i do not think this is related since the traces shows that
> it does not reach kernel part yet.
>
>
>
> #lvmcmdline.c:836 Processing: lvcreate -vvvvvvvv -s -L20M -
> nv1s142 /dev/vg1/v1
>
> ...(removed some prints, otherwise too long)
>
> #archiver.c:109 Archiving volume group "vg1" metadata.
> #metadata/pv_manip.c:231 /dev/sda1 0: 0 25: v1(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 1: 25 5: v1s1(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 2: 30 5: v1s2(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 3: 35 5: v1s3(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 4: 40 5: v1s4(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 5: 45 5: v1s5(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 6: 50 5: v1s6(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 7: 55 5: v1s7(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 8: 60 5: v1s8(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 9: 65 5: v1s9(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 10: 70 5: v1s10(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 11: 75 5: v1s11(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 12: 80 5: v1s12(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 13: 85 5: v1s13(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 14: 90 5: v1s14(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 15: 95 5: v1s15(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 16: 100 5: v1s16(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 17: 105 5: v1s17(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 18: 110 5: v1s18(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 19: 115 5: v1s19(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 20: 120 5: v1s20(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 21: 125 5: v1s21(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 22: 130 5: v1s22(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 23: 135 5: v1s23(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 24: 140 5: v1s24(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 25: 145 5: v1s25(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 26: 150 5: v1s26(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 27: 155 5: v1s27(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 28: 160 5: v1s28(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 29: 165 5: v1s29(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 30: 170 5: v1s30(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 31: 175 5: v1s31(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 32: 180 5: v1s32(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 33: 185 5: v1s33(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 34: 190 5: v1s34(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 35: 195 5: v1s35(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 36: 200 5: v1s36(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 37: 205 5: v1s37(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 38: 210 5: v1s38(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 39: 215 5: v1s39(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 40: 220 5: v1s40(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 41: 225 5: v1s41(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 42: 230 5: v1s42(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 43: 235 5: v1s43(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 44: 240 5: v1s44(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 45: 245 5: v1s45(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 46: 250 5: v1s46(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 47: 255 5: v1s47(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 48: 260 5: v1s48(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 49: 265 5: v1s49(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 50: 270 5: v1s50(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 51: 275 5: v1s51(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 52: 280 5: v1s52(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 53: 285 5: v1s53(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 54: 290 5: v1s54(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 55: 295 5: v1s55(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 56: 300 5: v1s56(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 57: 305 5: v1s57(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 58: 310 5: v1s58(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 59: 315 5: v1s59(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 60: 320 5: v1s60(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 61: 325 5: v1s61(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 62: 330 5: v1s62(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 63: 335 5: v1s63(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 64: 340 5: v1s64(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 65: 345 5: v1s65(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 66: 350 5: v1s66(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 67: 355 5: v1s67(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 68: 360 5: v1s68(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 69: 365 5: v1s69(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 70: 370 5: v1s70(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 71: 375 5: v1s71(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 72: 380 5: v1s72(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 73: 385 5: v1s73(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 74: 390 5: v1s74(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 75: 395 5: v1s75(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 76: 400 5: v1s76(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 77: 405 5: v1s77(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 78: 410 5: v1s78(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 79: 415 5: v1s79(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 80: 420 5: v1s80(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 81: 425 5: v1s81(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 82: 430 5: v1s82(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 83: 435 5: v1s83(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 84: 440 5: v1s84(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 85: 445 5: v1s85(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 86: 450 5: v1s86(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 87: 455 5: v1s87(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 88: 460 5: v1s88(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 89: 465 5: v1s89(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 90: 470 5: v1s90(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 91: 475 5: v1s91(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 92: 480 5: v1s92(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 93: 485 5: v1s93(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 94: 490 5: v1s94(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 95: 495 5: v1s95(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 96: 500 5: v1s96(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 97: 505 5: v1s97(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 98: 510 5: v1s98(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 99: 515 5: v1s99(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 100: 520 5: v1s100
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 101: 525 5: v1s101
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 102: 530 5: v1s102
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 103: 535 5: v1s103
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 104: 540 5: v1s104
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 105: 545 5: v1s105
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 106: 550 5: v1s106
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 107: 555 5: v1s107
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 108: 560 5: v1s108
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 109: 565 5: v1s109
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 110: 570 5: v1s110
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 111: 575 5: v1s111
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 112: 580 5: v1s112
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 113: 585 5: v1s113
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 114: 590 5: v1s114
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 115: 595 5: v1s115
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 116: 600 5: v1s116
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 117: 605 5: v1s117
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 118: 610 5: v1s118
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 119: 615 5: v1s119
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 120: 620 5: v1s120
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 121: 625 5: v1s121
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 122: 630 5: v1s122
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 123: 635 5: v1s123
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 124: 640 5: v1s124
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 125: 645 5: v1s125
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 126: 650 5: v1s126
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 127: 655 5: v1s127
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 128: 660 5: v1s128
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 129: 665 5: v1s129
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 130: 670 5: v1s130
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 131: 675 5: v1s131
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 132: 680 5: v1s132
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 133: 685 5: v1s133
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 134: 690 5: v1s134
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 135: 695 5: v1s135
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 136: 700 5: v1s136
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 137: 705 5: v1s137
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 138: 710 5: v1s138
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 139: 715 5: v1s139
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 140: 720 5: v1s140
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 141: 725 5: v1s141
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 142: 730 5: v4(0:0)
> #metadata/pv_manip.c:231 /dev/sda1 143: 735 5: v1s142
> (0:0)
> #metadata/pv_manip.c:231 /dev/sda1 144: 740 283: NULL(0:0)
> #format_text/export.c:266 <backtrace>
> #format_text/export.c:647 <backtrace>
> #format_text/export.c:711 <backtrace>
> #format_text/format-text.c:379 VG vg1 metadata writing failed
> #metadata/metadata.c:770 <backtrace>
> #lvcreate.c:564 <backtrace>
> #lvcreate.c:656 <backtrace>
> #locking/file_locking.c:59 Unlocking /var/lock/lvm/V_vg1
> #device/dev-io.c:456 Closed /dev/md0
> #device/dev-io.c:456 Closed /dev/hda1
> #device/dev-io.c:456 Closed /dev/sda1
> #device/dev-io.c:456 Closed /dev/hda2
> #device/dev-io.c:456 Closed /dev/hda3
>
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