mto obrigado :)
amanha eu vou fazer o teste e posto aqui caso ocorra algum problema :)
só uma duvida , eu vou ter 2 partições no array , como o mdadm sabe de qual preservar os dados ?? pela ordem do raidtab ??
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mto obrigado :)
amanha eu vou fazer o teste e posto aqui caso ocorra algum problema :)
só uma duvida , eu vou ter 2 partições no array , como o mdadm sabe de qual preservar os dados ?? pela ordem do raidtab ??
o mdadm utiliza um formato diferente de configuração... o que eu postei é com o raidtools. O procedimento é exatamente o mesmo, porém será com o arquivo do mdadm e não com o /etc/raidtab...Citação:
Postado originalmente por fabricio_
cada partição em cada disco formará um array:
/dev/hda1 e /dev/hdc1 = /dev/md0
a ordem é importante, pois definirá qual partição será replicada
{
device /dev/hda3
raid-disk 0
device /dev/hdc3
raid-disk 1
}
isso significa que a partição /dev/hda3 será replicada para /dev/hdc3
é raidtools mesmo , soh me confundi rlx :)
bom vou testar agorinha , e vou postando como esta indo :D
se der certo , no final eu posto um how to :D
bom , fiz um teste usando o mdadm , nao deu mto certo
estou tentando fazer numa maquina fedora core 4 , com o disco rescue do fedora 4 tb.
a sintaxe que usei no mdadm foi
Código :
mdadm --create /dev/md0 --raid-devices=2 --level=1 /dev/hda1 /dev/hda3
ele faz o raid normal , FIz um gru-install /dev/md0 e nao me retornou nenhum erro ,
Na hora de bootar , ele bootou pelo hda1 e o raid tava sem o hda3 , nao consegui subir ele de jeito nenhum
segue a saida do meu dmesg
Código :
Linux version 2.6.11-1.1369_FC4 ([email protected]) (gcc version 4.0.0 20050525 (Red Hat 4.0.0-9)) #1 Thu Jun 2 22:55:56 EDT 2005 BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 00000000000a0000 (usable) BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 0000000007eae000 (usable) BIOS-e820: 0000000007eae000 - 0000000008000000 (reserved) BIOS-e820: 00000000ffb00000 - 0000000100000000 (reserved) 0MB HIGHMEM available. 126MB LOWMEM available. Using x86 segment limits to approximate NX protection On node 0 totalpages: 32430 DMA zone: 4096 pages, LIFO batch:1 Normal zone: 28334 pages, LIFO batch:15 HighMem zone: 0 pages, LIFO batch:1 DMI 2.3 present. ACPI: RSDP (v000 DELL ) @ 0x000fd790 ACPI: RSDT (v001 DELL GX100 0x00000007 ASL 0x00000061) @ 0x000fd7a4 ACPI: FADT (v001 DELL GX100 0x00000007 ASL 0x00000061) @ 0x000fd7cc ACPI: DSDT (v001 DELL dt_ex 0x00001000 MSFT 0x0100000b) @ 0x00000000 ACPI: PM-Timer IO Port: 0x808 Allocating PCI resources starting at 08000000 (gap: 08000000:f7b00000) Built 1 zonelists Kernel command line: ro root=LABEL=/ Initializing CPU#0 CPU 0 irqstacks, hard=c0457000 soft=c0456000 PID hash table entries: 1024 (order: 10, 16384 bytes) Detected 595.137 MHz processor. Using pmtmr for high-res timesource Console: colour VGA+ 80x25 Dentry cache hash table entries: 16384 (order: 4, 65536 bytes) Inode-cache hash table entries: 8192 (order: 3, 32768 bytes) Memory: 123180k/129720k available (2518k kernel code, 6024k reserved, 690k data, 180k init, 0k highmem) Checking if this processor honours the WP bit even in supervisor mode... Ok. Calibrating delay loop... 1175.55 BogoMIPS (lpj=587776) Security Framework v1.0.0 initialized SELinux: Initializing. SELinux: Starting in permissive mode selinux_register_security: Registering secondary module capability Capability LSM initialized as secondary Mount-cache hash table entries: 512 CPU: After generic identify, caps: 0383f9ff 00000000 00000000 00000000 00000000 00000000 00000000 CPU: After vendor identify, caps: 0383f9ff 00000000 00000000 00000000 00000000 00000000 00000000 CPU: L1 I cache: 16K, L1 D cache: 16K CPU: L2 cache: 128K CPU: After all inits, caps: 0383f1ff 00000000 00000000 00000040 00000000 00000000 00000000 Intel machine check architecture supported. Intel machine check reporting enabled on CPU#0. CPU: Intel Celeron (Coppermine) stepping 06 Enabling fast FPU save and restore... done. Enabling unmasked SIMD FPU exception support... done. Checking 'hlt' instruction... OK. ACPI: setting ELCR to 0200 (from 0e20) checking if image is initramfs... it is softlockup thread 0 started up. Freeing initrd memory: 1108k freed NET: Registered protocol family 16 PCI: PCI BIOS revision 2.10 entry at 0xfc0be, last bus=1 PCI: Using configuration type 1 mtrr: v2.0 (20020519) ACPI: Subsystem revision 20050309 ACPI: Interpreter enabled ACPI: Using PIC for interrupt routing ACPI: PCI Root Bridge [PCI0] (0000:00) PCI: Probing PCI hardware (bus 00) Boot video device is 0000:00:01.0 PCI: Transparent bridge - 0000:00:1e.0 ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCI1._PRT] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 *9 10 11 12 15) ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 9 *10 11 12 15) ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 *5 6 7 9 10 11 12 15) ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 9 10 *11 12 15) Linux Plug and Play Support v0.97 (c) Adam Belay pnp: PnP ACPI init pnp: PnP ACPI: found 12 devices usbcore: registered new driver usbfs usbcore: registered new driver hub PCI: Using ACPI for IRQ routing PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a report pnp: 00:0b: ioport range 0x800-0x85f could not be reserved pnp: 00:0b: ioport range 0xc00-0xc7f has been reserved pnp: 00:0b: ioport range 0x860-0x8ff could not be reserved apm: BIOS version 1.2 Flags 0x03 (Driver version 1.16ac) apm: overridden by ACPI. audit: initializing netlink socket (disabled) audit(1133438923.414:1): initialized Total HugeTLB memory allocated, 0 VFS: Disk quotas dquot_6.5.1 Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) SELinux: Registering netfilter hooks Initializing Cryptographic API ksign: Installing public key data Loading keyring - Added public key 42BD35A990375F72 - User ID: Red Hat, Inc. (Kernel Module GPG key) pci_hotplug: PCI Hot Plug PCI Core version: 0.5 isapnp: Scanning for PnP cards... isapnp: No Plug & Play device found Real Time Clock Driver v1.12 Linux agpgart interface v0.101 (c) Dave Jones agpgart: Detected an Intel i810 DC100 Chipset. agpgart: detected 4MB dedicated video ram. agpgart: AGP aperture is 64M @ 0xf8000000 PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 serio: i8042 AUX port at 0x60,0x64 irq 12 serio: i8042 KBD port at 0x60,0x64 irq 1 Serial: 8250/16550 driver $Revision: 1.90 $ 76 ports, IRQ sharing enabled ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A io scheduler noop registered io scheduler anticipatory registered io scheduler deadline registered io scheduler cfq registered RAMDISK driver initialized: 16 RAM disks of 16384K size 1024 blocksize Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx ICH: IDE controller at PCI slot 0000:00:1f.1 ICH: chipset revision 2 ICH: not 100% native mode: will probe irqs later ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:DMA, hdb:pio ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:DMA, hdd:pio Probing IDE interface ide0... hda: Maxtor 90651U2, ATA DISK drive ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 Probing IDE interface ide1... hdc: SAMSUNG CD-ROM SC-148F, ATAPI CD/DVD-ROM drive ide1 at 0x170-0x177,0x376 on irq 15 hda: max request size: 128KiB hda: 12594960 sectors (6448 MB) w/512KiB Cache, CHS=12495/16/63, UDMA(66) hda: cache flushes not supported hda: hda1 hda2 hda3 hda4 < hda5 > hdc: ATAPI 48X CD-ROM drive, 128kB Cache, UDMA(33) Uniform CD-ROM driver Revision: 3.20 ide-floppy driver 0.99.newide usbcore: registered new driver hiddev usbcore: registered new driver usbhid drivers/usb/input/hid-core.c: v2.01:USB HID core driver mice: PS/2 mouse device common for all mice md: md driver 0.90.1 MAX_MD_DEVS=256, MD_SB_DISKS=27 NET: Registered protocol family 2 IP: routing cache hash table of 128 buckets, 4Kbytes TCP established hash table entries: 4096 (order: 3, 32768 bytes) TCP bind hash table entries: 4096 (order: 4, 114688 bytes) TCP: Hash tables configured (established 4096 bind 4096) Initializing IPsec netlink socket NET: Registered protocol family 1 NET: Registered protocol family 17 ACPI wakeup devices: PCI0 USB0 PCI1 KBD ACPI: (supports S0 S1 S4 S5) Freeing unused kernel memory: 180k freed input: AT Translated Set 2 keyboard on isa0060/serio0 device-mapper: 4.4.0-ioctl (2005-01-12) initialised: [email][email protected][/email] EXT3-fs: INFO: recovery required on readonly filesystem. EXT3-fs: write access will be enabled during recovery. kjournald starting. Commit interval 5 seconds EXT3-fs: recovery complete. EXT3-fs: mounted filesystem with ordered data mode. SELinux: Disabled at runtime. SELinux: Unregistering netfilter hooks Floppy drive(s): fd0 is 1.44M FDC 0 is a National Semiconductor PC87306 ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 5 PCI: setting IRQ 5 as level-triggered ACPI: PCI Interrupt 0000:01:0c.0[A] -> Link [LNKC] -> GSI 5 (level, low) -> IRQ 5 3c59x: Donald Becker and others. [url]www.scyld.com/network/vortex.html[/url] 0000:01:0c.0: 3Com PCI 3c905C Tornado at 0xec80. Vers LK1.1.19 i801_smbus 0000:00:1f.3: enabling SMBus device hw_random hardware driver 1.0.0 loaded USB Universal Host Controller Interface driver v2.2 ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11 PCI: setting IRQ 11 as level-triggered ACPI: PCI Interrupt 0000:00:1f.2[D] -> Link [LNKD] -> GSI 11 (level, low) -> IRQ 11 PCI: Setting latency timer of device 0000:00:1f.2 to 64 uhci_hcd 0000:00:1f.2: UHCI Host Controller uhci_hcd 0000:00:1f.2: new USB bus registered, assigned bus number 1 uhci_hcd 0000:00:1f.2: irq 11, io base 0x0000ff80 hub 1-0:1.0: USB hub found hub 1-0:1.0: 2 ports detected ACPI: Power Button (FF) [PWRF] ibm_acpi: ec object not found md: Autodetecting RAID arrays. md: could not bd_claim hda1. md: autorun ... md: considering hda5 ... md: adding hda5 ... md: hda3 has different UUID to hda5 md: adding hda2 ... md: created md1 md: bind<hda2> md1: WARNING: hda5 appears to be on the same physical disk as hda2. True protection against single-disk failure might be compromised. md: bind<hda5> md: running: <hda5><hda2> md: raid1 personality registered as nr 3 raid1: raid set md1 active with 2 out of 2 mirrors md: considering hda3 ... md: adding hda3 ... md: created md0 md: bind<hda3> md: running: <hda3> raid1: raid set md0 active with 1 out of 2 mirrors md: ... autorun DONE. EXT3 FS on hda1, internal journal ACPI: PCI Interrupt 0000:01:0c.0[A] -> Link [LNKC] -> GSI 5 (level, low) -> IRQ 5 Bluetooth: Core ver 2.7 NET: Registered protocol family 31 Bluetooth: HCI device and connection manager initialized Bluetooth: HCI socket layer initialized Bluetooth: L2CAP ver 2.7 Bluetooth: L2CAP socket layer initialized Bluetooth: RFCOMM ver 1.5 Bluetooth: RFCOMM socket layer initialized Bluetooth: RFCOMM TTY layer initialized parport: PnPBIOS parport detected. parport0: PC-style at 0x378 (0x778), irq 7 [PCSPP,TRISTATE,EPP] lp0: using parport0 (interrupt-driven). lp0: console ready NET: Registered protocol family 10 Disabled Privacy Extensions on device c03e6820(lo) IPv6 over IPv4 tunneling driver eth0: no IPv6 routers present
tenho uma duvida tb , na hora q eu dei o resize na md0 , foi blz , porem na md1 nao foi de nenhum jeito!!
sera pq as particoes eram LVM ??? como devo proceder qndo eh LVM???
so para informacao , este teste eu fiz um RAID 1 em apenas 1 hd , ou seja , meramente teste .
Depois de muita pesquisa , consegui utilizando o seguinte procedimento .
Espero que ajude alguem , abracos .
http://alioth.debian.org/projects/rootraiddoc