# # sysstat.ioconf # # Copyright (C) 2004, Red Hat, Inc. # # Maintained by Sebastien Godard (sysstat [at] orange.fr) # # This file gives iostat, sar, and sadf a clue about how to find whole # disk devices in /proc/diskstats. # Authoritative source is: linux/Documentation/devices.txt or # linux/Documentation/admin-guide/devices.txt # # line format, general record: # major:name:ctrlpre:ctrlno:devfmt:devcnt:partpre:partcnt:description # # major: major # for device # name: base of device name # ctrlpre: string to use in generating controller designators # eg: the c in c0d2p6, decimal formatting implied # '*' means none or irrelevant # 'x': exception... record contains a specific name # for a specific minor #, stored in the ctrlno field # ctrlno: which controller of this type is this # devfmt: type of device naming convention # a: alpha: xxa, xxb, ... xxaa, xxab, ... xxzz # %string: string to use in generating drive designators, # eg: the 'd' in c0d2p6 , decimal formatting implied # d: no special translations (decimal formatting) # devcnt: how many whole devs per major number # partpre: appended to whole dev before part designator # eg. the p in c0d2p6, decimal formatting implied # '*' means none # partcnt: number of partitions per volume # or minor # for exception records # description: informative text # # line format, indirect record: # major:base_major:ctrlno[:[desc]] # # major: major number of the device # base_major: major number of the template for this type, # 0 for not supported # ctrlno: controller number of this type # desc: controller-specific description # if absent the desc from base_major will be # used in sprintf( buf, desc, ctrlno ) 1:ram:*:0:d:256:*:1:RAM disks (ram0..ram255) 1:initrd:x:250:d:256:*:1:Initial RAM Disk (initrd) #2:0:0:Floppy Devices 2:fd:*:0:d:4:*:1:Floppy Devices fd0,fd1,fd2,fd3 3:hd:*:0:a:2:*:64:IDE - Controller %d 22:3:1: 33:3:2: 34:3:3: 56:3:4: 57:3:5: 88:3:6: 89:3:7: 90:3:8: 91:3:9: #4:0:0:NODEV #5:0:0:NODEV #6:0:0:NODEV 7:loop:*:0:d:256:*:1:Loop Devices 8:sd:*:0:a:16:*:16:SCSI - Controller %d 65:8:1: 66:8:2: 67:8:3: 68:8:4: 69:8:5: 70:8:6: 71:8:7: 128:8:8: 129:8:9: 130:8:10: 131:8:11: 132:8:12: 133:8:13: 134:8:14: 135:8:15: 9:md:*:0:d:256:*:1:Metadisk (Software RAID) devices (md0..md255) #10:0:0:NODEV #11:sr:*:0:d:256:*:1:CDROM - CDROM (sr0..sr255) (deprecated) 11:scd:*:0:d:256:*:1:CDROM - CDROM (scd0..scd255) #12:0:0:MSCDEX CD-ROM Callback 13:xd:*:0:a:2:*:64:8-bit MFM/RLL/IDE controller (xda, xdb) #14:0:0:BIOS Hard Drive Callback #15:0:0:CDROM - Sony CDU-31A/CDU-33A #16:0:0:CDROM - Goldstar #17:0:0:CDROM - Optics Storage #18:0:0:CDROM - Sanyo 19:double:*:0:d:256:*:1:Compressed Disk (double0..double255) #20:0:0:CDROM - Hitachi 21:mfm:*:0:a:2:*:64:Acorn MFM Hard Drive (mfma, mfmb) # 22: see IDE, dev 3 #23:0:0:CDROM - Mistumi Proprietary #24:0:0:CDROM - Sony CDU-535 #25:0:0:CDROM - Matsushita (Panasonic/Soundblaster) #1 #26:0:1:CDROM - Matsushita (Panasonic/Soundblaster) #2 #27:0:2:CDROM - Matsushita (Panasonic/Soundblaster) #3 #28:0:3:CDROM - Matsushita (Panasonic/Soundblaster) #4 # 28:0:0:! ACSI (Atari) Disk Not Supported #29:0:0:CDROM - Aztech/Orchid/Okano/Wearnes #30:0:0:CDROM - Philips LMS CM-205 #31:0:0:ROM/flash Memory Card #32:0:0:CDROM - Phillips LMS CM-206 # 33: See IDE, dev 3 # 34: See IDE, dev 3 #35:0:0:Slow Memory RAM Disk 36:ed:*:0:a:2:*:64:MCA ESDI Hard Disk (eda, edb) #37:0:0:Zorro II Ram Disk #38:0:0:Reserved For Linux/AP+ #39:0:0:Reserved For Linux/AP+ #40:0:0:Syquest EZ135 Parallel Port Drive #41:0:0:CDROM - MicroSolutions Parallel Port BackPack #42:0:0:For DEMO Use Only 43:nb:*:0:d:256:*:1:Network Block devices (nb0..nb255) 44:ftl:*:0:a:16:*:16:Flash Translation Layer (ftla..ftlp) 45:pd:*:0:a:4:*:16:Parallel Port IDE (pda..pdd) #46:0:0:CDROM - Parallel Port ATAPI 47:pf:*:0:d:256:*:1:Parallel Port ATAPI Disk Devices (pf0..pf255) 48:rd:/c:0:%d:32:p:8:Mylex DAC960 RAID, Controller %d 49:48:1: 50:48:2: 51:48:3: 52:48:4: 53:48:5: 54:48:6: 55:48:7: 136:48:8: 137:48:9: 138:48:10: 139:48:11: 140:48:12: 141:48:13: 142:48:14: 143:48:15: # 56, 57: see IDE, dev 3: 58:lvm:*:0:d:256:*:1:Logical Volume Manager (lvm0..lvm255) #59:0:0:PDA Filesystem Device #60:0:0:Local/Experimental Use #61:0:0:Local/Experimental Use #62:0:0:Local/Experimental Use #63:0:0:Local/Experimental Use #64:0:0:NODEV # 65..71: See SCSI, dev 8: 72:ida/:c:0:%d:16:p:16:Compaq Intelligent Drive Array - Controller %d 73:72:1: 74:72:2: 75:72:3: 76:72:4: 77:72:5: 78:72:6: 79:72:7: 80:i2o/hd:*:0:a:16:*:16:I2O Disk - Controller %d 81:80:1: 82:80:2: 83:80:3: 84:80:4: 85:80:5: 86:80:6: 87:80:7: # 88..91: see IDE, dev 3: #92:0:0:PPDD Encrypted Disk #93:0:0:NAND Flash Translation Layer not supported 94:dasd:*:0:a:64:*:4:IBM S/390 DASD Block Storage (dasda, dasdb, ...) #95:0:0:IBM S/390 VM/ESA Minidisk #96:0:0:NODEV #97:0:0:CD/DVD packed writing devices not supported 98:ubd:*:0:d:256:*:1:User-mode Virtual Block Devices (ubd0..ubd256) #99:0:0:JavaStation Flash Disk #100:0:0:NODEV 101:amiraid/ar:*:0:d:16:p:16:AMI HyperDisk RAID (amiraid/ar0 - amiraid/ar15) #102:0:0:Compressed Block Device #103:0:0:Audit Block Device 104:cciss:/c:0:%d:16:p:16:HP SA 5xxx/6xxx (cciss) Controller %d 105:104:1: 106:104:2: 107:104:3: 108:104:4: 109:104:5: 110:104:6: 111:104:7: 112:iseries/vd:*:0:a:32:*:8:IBM iSeries Virtual Disk (.../vda - .../vdaf) #113:0:0:CDROM - IBM iSeries Virtual # 114..159 NODEV 120:emcpower:*:0:a:16:*:16:EMC PowerPath Unit %d #160:sx8/:*:0:d:8:p:32:Promise SATA SX8 Unit %d #161:160:1: 160:carmel/:*:0:d:8:p:32:Carmel 8-port SATA Disks (carmel/0 - carmel/7) 161:160:1: # 162..198 UNUSED 180:ub:*:0:a:32:p:8:USB block devices #199:0:0:Veritas Volume Manager (VxVM) Volumes #200:0:0:NODEV #201:0:0:Veritas VxVM Dynamic Multipathing Driver 202:xvd:*:0:a:16:p:16:Xen Virtual Block Device # 203..230: UNUSED 232:emcpower:*:0:a:16:*:16:EMC PowerPath Unit %d 233:232:1: 234:232:2: 235:232:3: 236:232:4: 237:232:5: 238:232:6: 239:232:7: 240:232:8: 241:232:9: 242:232:10: 243:232:11: 244:232:12: 245:232:13: 246:232:14: 247:232:15: # 240..254: LOCAL/Experimental 256:rfd:*:0:a:16:*:16:Resident Flash Disk Flash Translation Layer (rfda..rfdp) 257:ssfdc:*:0:a:8:*:8:SSFDC Flash Translation Layer filesystem (ssfdca..ssfdch) 258:blockrom:*:0:d:256:*:1:ROM/Flash Read-Only Translation Layer (blockrom0...)