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Έχω το ίδιο φλασάκι Kingston DTSE9 (8 GB) εδώ & μερικούς μήνες & τώρα τελευταία παρουσιάζει σημαντική μείωση στην ταχύτητα εγγραφής. Το φλασάκι αναγνωρίζεται ως:

Κώδικας: Επιλογή όλων

Bus 002 Device 004: ID 0951:1665 Kingston Technology

Κώδικας: Επιλογή όλων

T: Bus=02 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 4 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=0951 ProdID=1665 Rev=01.00
S: Manufacturer=Kingston
S: Product=DataTraveler 2.0
S: SerialNumber=6CF049E0FBE3BE71A92FAEB5
C: #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=200mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage

Δίνοντας την εντολή του Learner παίρνω αυτά:

Κώδικας: Επιλογή όλων

matt@pc:~$ dmesg | tail -n 35
[ 5759.907995] [UFW BLOCK] IN=eth0 OUT= MAC=01:00:5e:00:00:01:2c:26:c5:1b:b6:dc:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0xC0 TTL=1 ID=2946 PROTO=2
[ 5884.520356] [UFW BLOCK] IN=eth0 OUT= MAC=01:00:5e:00:00:01:2c:26:c5:1b:b6:dc:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0xC0 TTL=1 ID=2947 PROTO=2
[ 5977.988165] usb 2-3: new high-speed USB device number 4 using ehci-pci
[ 5978.125510] usb 2-3: New USB device found, idVendor=0951, idProduct=1665
[ 5978.125517] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 5978.125520] usb 2-3: Product: DataTraveler 2.0
[ 5978.125524] usb 2-3: Manufacturer: Kingston
[ 5978.125527] usb 2-3: SerialNumber: 6CF049E0FBE3BE71A92FAEB5
[ 5978.126318] usb-storage 2-3:1.0: USB Mass Storage device detected
[ 5978.126503] scsi8 : usb-storage 2-3:1.0
[ 5979.207026] scsi 8:0:0:0: Direct-Access Kingston DataTraveler 2.0 PMAP PQ: 0 ANSI: 6
[ 5979.207469] sd 8:0:0:0: Attached scsi generic sg3 type 0
[ 5980.431649] sd 8:0:0:0: [sdc] 15335424 512-byte logical blocks: (7.85 GB/7.31 GiB)
[ 5980.432644] sd 8:0:0:0: [sdc] Write Protect is off
[ 5980.432649] sd 8:0:0:0: [sdc] Mode Sense: 23 00 00 00
[ 5980.433638] sd 8:0:0:0: [sdc] No Caching mode page found
[ 5980.433644] sd 8:0:0:0: [sdc] Assuming drive cache: write through
[ 5980.437888] sd 8:0:0:0: [sdc] No Caching mode page found
[ 5980.437893] sd 8:0:0:0: [sdc] Assuming drive cache: write through
[ 5980.475942] sdc: sdc1
[ 5980.479373] sd 8:0:0:0: [sdc] No Caching mode page found
[ 5980.479377] sd 8:0:0:0: [sdc] Assuming drive cache: write through
[ 5980.479382] sd 8:0:0:0: [sdc] Attached SCSI removable disk
[ 5982.010674] systemd-hostnamed[3847]: Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname!
[ 5991.704635] EXT4-fs (sdb1): warning: maximal mount count reached, running e2fsck is recommended
[ 5991.706178] EXT4-fs (sdb1): mounted filesystem with ordered data mode. Opts: (null)
[ 6009.112360] [UFW BLOCK] IN=eth0 OUT= MAC=01:00:5e:00:00:01:2c:26:c5:1b:b6:dc:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0xC0 TTL=1 ID=2948 PROTO=2
[ 6133.595698] [UFW BLOCK] IN=eth0 OUT= MAC=01:00:5e:00:00:01:2c:26:c5:1b:b6:dc:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0xC0 TTL=1 ID=2949 PROTO=2
[ 6258.078385] [UFW BLOCK] IN=eth0 OUT= MAC=01:00:5e:00:00:01:2c:26:c5:1b:b6:dc:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0xC0 TTL=1 ID=2950 PROTO=2
[ 6382.522267] [UFW BLOCK] IN=eth0 OUT= MAC=01:00:5e:00:00:01:2c:26:c5:1b:b6:dc:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0xC0 TTL=1 ID=2951 PROTO=2
[ 6431.907853] systemd-hostnamed[3899]: Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname!
[ 6507.354374] [UFW BLOCK] IN=eth0 OUT= MAC=01:00:5e:00:00:01:2c:26:c5:1b:b6:dc:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0xC0 TTL=1 ID=2952 PROTO=2
[ 6631.568101] [UFW BLOCK] IN=eth0 OUT= MAC=01:00:5e:00:00:01:2c:26:c5:1b:b6:dc:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0xC0 TTL=1 ID=2953 PROTO=2
[ 6756.620038] [UFW BLOCK] IN=eth0 OUT= MAC=01:00:5e:00:00:01:2c:26:c5:1b:b6:dc:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0xC0 TTL=1 ID=2954 PROTO=2
[ 6880.604934] [UFW BLOCK] IN=eth0 OUT= MAC=01:00:5e:00:00:01:2c:26:c5:1b:b6:dc:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0xC0 TTL=1 ID=2955 PROTO=2

Δεν καταλαβαίνω τι σημαίνουν τα warnings που βγάζει, πάντως είναι από τα φτηνιάρικα (του κιλού). 5 € το είχα πάρει από media markt. Anyway, όσο αντέξει.
Edit: Τα warnings για το sdb1 αγνοήστε τα, είναι από το δεύτερο δίσκο (sdb) στο λαπτοπ που έχει μερικά bad sectors.