meminfo - test the disk
MemTotal: 8009644 kB
MemFree: 5768884 kB
MemAvailable: 6507764 kB
Buffers: 120600 kB
Cached: 987724 kB
SwapCached: 0 kB
Active: 1489208 kB
Inactive: 427516 kB
Active(anon): 809880 kB
Inactive(anon): 298292 kB
Active(file): 679328 kB
Inactive(file): 129224 kB
Unevictable: 32 kB
Mlocked: 32 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 35756 kB
Writeback: 0 kB
AnonPages: 808700 kB
Mapped: 314780 kB
Shmem: 299484 kB
Slab: 249764 kB
SReclaimable: 183732 kB
SUnreclaim: 66032 kB
KernelStack: 6992 kB
PageTables: 28972 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 4004820 kB
Committed_AS: 3804552 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 551384 kB
VmallocChunk: 34359179260 kB
HardwareCorrupted: 0 kB
AnonHugePages: 153600 kB
CmaTotal: 0 kB
CmaFree: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 92156 kB
DirectMap2M: 8128512 kB