Date: Sat, 9 Jul 2016 02:32:31 +0000 From: Dexuan Cui <decui@microsoft.com> To: "Andrey V. Elsukov" <bu7cher@yandex.ru>, "freebsd-geom@freebsd.org" <freebsd-geom@freebsd.org> Cc: sobomax <sobomax@FreeBSD.org>, Sepherosa Ziehau <sepherosa@gmail.com>, ken <ken@FreeBSD.org>, Allan Jude <allanjude@freebsd.org>, Hongjiang Zhang <honzhan@microsoft.com>, imp <imp@FreeBSD.org> Subject: RE: How to force GEOM to recalculate the free space after the disk is resized? Message-ID: <CO2PR03MB21823EB65CFD865809C4E7BEBF3D0@CO2PR03MB2182.namprd03.prod.outlook.com> In-Reply-To: <577FE380.8020601@yandex.ru> References: <CO2PR03MB2182532200F6E92F110EBAA1BF3C0@CO2PR03MB2182.namprd03.prod.outlook.com> <577FE380.8020601@yandex.ru>
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> From: Andrey V. Elsukov [mailto:bu7cher@yandex.ru] > Sent: Saturday, July 9, 2016 1:32 > To: Dexuan Cui <decui@microsoft.com>; freebsd-geom@freebsd.org > Cc: sobomax <sobomax@FreeBSD.org>; Sepherosa Ziehau > <sepherosa@gmail.com>; ken <ken@FreeBSD.org>; Allan Jude > <allanjude@freebsd.org>; Hongjiang Zhang <honzhan@microsoft.com>; imp > <imp@FreeBSD.org> > Subject: Re: How to force GEOM to recalculate the free space after the di= sk is > resized? >=20 > On 08.07.16 15:19, Dexuan Cui via freebsd-geom wrote: > > I'm not familiar with GEOM. Can somebody please explain the > > behavior? > > >=20 > What FreeBSD version do you use? > What messages do you see in the console/dmesg after resizing of disk? >=20 > WBR, Andrey V. Elsukov I'm using 11-CURRENT, but I also tried 10.3 and got the same result. I'm using verbose krenel message but I only see such a line on the first "diskinfo /dev/da1": WARNING: Disk drive da1 has no d_delmaxsize If I use "sysctl kern.geom.debugflags=3D253" (log everything except G_T_BIO= ), I get the below very verbose output FYI: Dexuan: after the disk capacity change, this is for the first "diskinfo /d= ev/da1". 1 g_dev_open(da1, 1, 8192, 0xfffff80111d95000) 2 g_access(0xfffff80004c92880(da1), 1, 0, 0) 3 open delta:[r1w0e0] old:[r0w0e0] provider:[r0w0e0] 0xfffff80004a63500(d= a1) 4 g_disk_access(da1, 1, 0, 0) 5 g_post_event_x(0xffffffff80996bb0, 0xfffff8001369e400, 1, 0) 6 WARNING: Disk drive da1 has no d_delmaxsize 7 g_dev_close(da1, 131073, 8192, 0xfffff80111d95000) 8 g_access(0xfffff80004c92880(da1), -1, 0, 0) 9 open delta:[r-1w0e0] old:[r1w0e0] provider:[r1w0e0] 0xfffff80004a63500(= da1) 10 g_disk_access(da1, -1, 0, 0) 11 Dexuan: this is for the second "diskinfo /dev/da1". 12 13 g_dev_open(da1, 1, 8192, 0xfffff80111d95500) 14 g_access(0xfffff80004c92880(da1), 1, 0, 0) 15 open delta:[r1w0e0] old:[r0w0e0] provider:[r0w0e0] 0xfffff80004a63500(d= a1) 16 g_disk_access(da1, 1, 0, 0) 17 g_post_event_x(0xffffffff80996bb0, 0xfffff8001369e400, 1, 0) 18 g_dev_close(da1, 131073, 8192, 0xfffff80111d95500) 19 g_access(0xfffff80004c92880(da1), -1, 0, 0) 20 open delta:[r-1w0e0] old:[r1w0e0] provider:[r1w0e0] 0xfffff80004a63500(= da1) 21 g_disk_access(da1, -1, 0, 0) 22 Dexuan: after disk capacity change, this is for the first "gpart show /dev/= da1": the new free space is not detected, though the new disk capacity is detecte= d. 23 24 g_post_event_x(0xffffffff80998520, 0xfffff800043942c0, 2, 262144) 25 g_post_event_x(0xffffffff80998520, 0xfffff800043942c0, 2, 262144) 26 g_post_event_x(0xffffffff80998520, 0xfffff800043942c0, 2, 262144) 27 g_post_event_x(0xffffffff80998520, 0xfffff800043942c0, 2, 262144) 28 Dexuan: this is for the=20 openat(AT_FDCWD,"/dev/da1",O_WRONLY|O_CREAT,0644);": 29 30 g_dev_open(da1, 2, 8192, 0xfffff80111d95500) 31 g_access(0xfffff80004c92880(da1), 0, 1, 0) 32 open delta:[r0w1e0] old:[r0w0e0] provider:[r0w0e0] 0xfffff80004a63500(d= a1) 33 g_disk_access(da1, 0, 1, 0) 34 g_post_event_x(0xffffffff80996bb0, 0xfffff8001369e400, 1, 0) 35 g_post_event_x(0xffffffff8099e760, 0xfffff80004a63500, 2, 0) 36 ref 0xfffff80004a63500 37 g_spoil_event 0xfffff80004a63500(DISK:da1:da1) 38 g_part_spoiled(da1) 39 g_wither_geom(0xfffff802693bc700(da1)) 40 g_detach(0xfffff80004c92800) 41 g_destroy_consumer(0xfffff80004c92800) 42 g_destroy_geom(0xfffff802693bc700(da1)) 43 g_dev_close(da1, 131074, 8192, 0xfffff80111d95500) 44 g_access(0xfffff80004c92880(da1), 0, -1, 0) 45 open delta:[r0w-1e0] old:[r0w1e0] provider:[r0w1e0] 0xfffff80004a63500(= da1) 46 g_disk_access(da1, 0, -1, 0) 47 g_post_event_x(0xffffffff8099db70, 0xfffff80004a63500, 2, 0) 48 ref 0xfffff80004a63500 49 g_raid_taste(RAID, da1) 50 g_attach(0xfffff80004c92800, 0xfffff80004a63500) 51 g_access(0xfffff80004c92800(da1), 1, 0, 0) 52 open delta:[r1w0e0] old:[r0w0e0] provider:[r0w0e0] 0xfffff80004a63500(d= a1) 53 g_disk_access(da1, 1, 0, 0) 54 g_post_event_x(0xffffffff80996bb0, 0xfffff8001369e400, 1, 0) 55 g_access(0xfffff80004c92800(da1), -1, 0, 0) 56 open delta:[r-1w0e0] old:[r1w0e0] provider:[r1w0e0] 0xfffff80004a63500(= da1) 57 g_disk_access(da1, -1, 0, 0) 58 g_detach(0xfffff80004c92800) 59 g_destroy_consumer(0xfffff80004c92800) 60 g_destroy_geom(0xfffff80269439400(raid:taste)) 61 g_label_taste(LABEL, da1) 62 g_attach(0xfffff80004c92800, 0xfffff80004a63500) 63 g_access(0xfffff80004c92800(da1), 1, 0, 0) 64 open delta:[r1w0e0] old:[r0w0e0] provider:[r0w0e0] 0xfffff80004a63500(d= a1) 65 g_disk_access(da1, 1, 0, 0) 66 g_post_event_x(0xffffffff80996bb0, 0xfffff8001369e400, 1, 0) 67 g_access(0xfffff80004c92800(da1), -1, 0, 0) 68 open delta:[r-1w0e0] old:[r1w0e0] provider:[r1w0e0] 0xfffff80004a63500(= da1) 69 g_disk_access(da1, -1, 0, 0) 70 g_detach(0xfffff80004c92800) 71 g_destroy_consumer(0xfffff80004c92800) 72 g_destroy_geom(0xfffff80269439400(label:taste)) 73 g_part_taste(PART,da1) 74 g_attach(0xfffff80004c92800, 0xfffff80004a63500) 75 g_access(0xfffff80004c92800(da1), 1, 0, 0) 76 open delta:[r1w0e0] old:[r0w0e0] provider:[r0w0e0] 0xfffff80004a63500(d= a1) 77 g_disk_access(da1, 1, 0, 0) 78 g_post_event_x(0xffffffff80996bb0, 0xfffff8001369e400, 1, 0) 79 g_access(0xfffff80004c92800(da1), -1, 0, 0) 80 open delta:[r-1w0e0] old:[r1w0e0] provider:[r1w0e0] 0xfffff80004a63500(= da1) 81 g_disk_access(da1, -1, 0, 0) 81 g_disk_access(da1, -1, 0, 0) Dexuan: this is for the second "gpart show /dev/da1": the new free space is detected: 82 83 g_post_event_x(0xffffffff80998520, 0xfffff800043942c0, 2, 262144) 84 g_post_event_x(0xffffffff80998520, 0xfffff800043942c0, 2, 262144) 85 g_post_event_x(0xffffffff80998520, 0xfffff800043942c0, 2, 262144) 86 g_post_event_x(0xffffffff80998520, 0xfffff800043942c0, 2, 262144 Thanks, -- Dexuan
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