gentoo box keeps dropping a partition
 

I've got a gentoo box with 3 main partitions -
20 gig for / (61% used)
80 gig for /home (100% used)
200 gig for /home/archive (31% used)

The first 2 partitions are fine, but it keeps dropping the archive partition. It works fine for a while, but then drops it for no apparent reason & I have to re-mount it.

any ideas on why it might be doing that & how to fix it?

can you look over the following information from dmesg & tell me if there is anything I need to worry about?

Uniform Multi-Platform E-IDE driver Revision: 6.31
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
PDC20265: IDE controller on PCI bus 00 dev 78
PDC20265: chipset revision 2
PDC20265: not 100% native mode: will probe irqs later
PDC20265: (U)DMA Burst Bit ENABLED Primary MASTER Mode Secondary MASTER Mode.
ide0: BM-DMA at 0xa400-0xa407, BIOS settings: hda:pio, hdb:pio
ide1: BM-DMA at 0xa408-0xa40f, BIOS settings: hdc:pio, hdd:pio
VP_IDE: IDE controller on PCI bus 00 dev 89
PCI: No IRQ known for interrupt pin A of device 00:11.1. Please try using pci=biosirq.
VP_IDE: chipset revision 6
VP_IDE: not 100% native mode: will probe irqs later
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
VP_IDE: VIA vt8233 (rev 00) IDE UDMA100 controller on pci00:11.1
ide2: BM-DMA at 0xa800-0xa807, BIOS settings: hde:DMA, hdf:DMA
ide3: BM-DMA at 0xa808-0xa80f, BIOS settings: hdg:pio, hdh:pio
hda: ST380021A, ATA DISK drive
hdc: ST380021A, ATA DISK drive
hde: Maxtor 32049H3, ATA DISK drive
hdf: SAMSUNG SP2014N, ATA DISK drive
ide0 at 0x9400-0x9407,0x9802 on irq 12
ide1 at 0x9c00-0x9c07,0xa002 on irq 12
ide2 at 0x1f0-0x1f7,0x3f6 on irq 14
hda: 156301488 sectors (80026 MB) w/2048KiB Cache, CHS=155061/16/63, UDMA(100)
hdc: 156301488 sectors (80026 MB) w/2048KiB Cache, CHS=155061/16/63, UDMA(100)
hde: 40021632 sectors (20491 MB) w/512KiB Cache, CHS=2491/255/63, UDMA(100)
hdf: 390721968 sectors (200050 MB) w/8192KiB Cache, CHS=24321/255/63, UDMA(100)
Partition check:
/dev/ide/host0/bus0/target0/lun0: [PTBL] [9729/255/63] p1 p2
/dev/ide/host0/bus1/target0/lun0: [PTBL] [9729/255/63] p1 p2
/dev/ide/host2/bus0/target0/lun0: p1 p2
/dev/ide/host2/bus0/target1/lun0: p1
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
loop: loaded (max 8 devices)
PPP generic driver version 2.4.2
PPP Deflate Compression module registered
PPP BSD Compression module registered
bond0 registered without MII link monitoring, in bonding mode.
8139cp 10/100 PCI Ethernet driver v0.0.7 (Feb 27, 2002)
8139cp: pci dev 00:06.0 (id 10ec:8139 rev 10) is not an 8139C+ compatible chip
8139cp: Try the "8139too" driver instead.
8139too Fast Ethernet driver 0.9.25
eth0: RealTek RTL8139 Fast Ethernet at 0xe080f000, 00:05:1c:13:43:06, IRQ 5
eth0: Identified 8139 chip type 'RTL-8139C'
Universal TUN/TAP device driver 1.5 (C)1999-2002 Maxim Krasnyansky
ataraid/d0: p1 p2
Drive 0 is 76319 Mb (3 / 0)
Drive 1 is 76319 Mb (22 / 0)
Raid1 array consists of 2 drives.
Promise Fasttrak(tm) Softwareraid driver for linux version 0.03beta
Highpoint HPT370 Softwareraid driver for linux version 0.01
No raid array found
md: linear personality registered as nr 1
md: raid0 personality registered as nr 2
md: raid1 personality registered as nr 3
md: raid5 personality registered as nr 4
raid5: measuring checksumming speed
8regs : 2132.400 MB/sec
32regs : 1248.800 MB/sec
pIII_sse : 2372.400 MB/sec
pII_mmx : 2152.400 MB/sec
p5_mmx : 2094.400 MB/sec
raid5: using function: pIII_sse (2372.400 MB/sec)
md: multipath personality registered as nr 7
md: md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
IP: routing cache hash table of 4096 buckets, 32Kbytes
TCP: Hash tables configured (established 32768 bind 65536)
IPv4 over IPv4 tunneling driver
GRE over IPv4 tunneling driver
Linux IP multicast router 0.06 plus PIM-SM
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
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.
VFS: Mounted root (ext3 filesystem) readonly.
Mounted devfs on /dev
Freeing unused kernel memory: 244k freed
EXT3-fs warning: maximal mount count reached, running e2fsck is recommended
EXT3 FS 2.4-0.9.17, 10 Jan 2002 on ide2(33,1), internal journal
kjournald starting. Commit interval 5 seconds
EXT3 FS 2.4-0.9.17, 10 Jan 2002 on ataraid(114,1), internal journal
EXT3-fs: recovery complete.
EXT3-fs: mounted filesystem with ordered data mode.
eth0: Setting 100mbps full-duplex based on auto-negotiated partner ability 45e1.
Invalid ioctl
Invalid ioctl
kjournald starting. Commit interval 5 seconds
EXT3 FS 2.4-0.9.17, 10 Jan 2002 on ide2(33,65), internal journal
EXT3-fs: recovery complete.
EXT3-fs: mounted filesystem with ordered data mode.

my fstab file is as follows:
smtp ~ # cat /etc/fstab
/dev/hde1 / ext3 noatime 0 0
/dev/hde2 none swap sw 0 0
/dev/ataraid/disc0/part1 /home/ ext3 defaults 0 0

/dev/cdroms/cdrom0 /mnt/cdrom iso9660 noauto,ro 0 0
proc /proc proc defaults 0 0
tmpfs /dev/shm tmpfs defaults 0 0

#/dev/md0 /home/ xfs defaults 0 0

/dev/hdf1 /home/designb-archive/ ext3 suid,dev,defaults,exec 0 0