Edward shishkin mai tasowa ne cewa ya kasance yana kula da kula da tallafin fayil na Reiser4 na shekaru goma da suka gabata don sababbin nau'ikan kwaya. Kodayake an kiyaye tsarin, sabanin sauran tsarin fayil waɗanda suka ci gaba a ci gabansu. Edward Shishkin yayi aiki a cikin gyaran Reiser4 kuma a lokaci guda ina aiki akan ci gaba don tsarin fayil ɗin Reiser5 wanda tuni yana nan don gwaji.
Wannan sabuwar sigar ta Reiser5 ya fito waje don haɗawa da ƙira a cikin daidaitaccen sikelin, wanda ba a aiwatar dashi ba a matakin toshewa, amma ta hanyar tsarin fayiloli.
A matsayin fa'ida na wannan tsarin, ba a haɗa FS-RAID / LVM da fakiti na FS ba tare da wata matsala ba (ZFS, Btrfs), kamar matsalar sararin samaniya kyauta, nutsar da aiki yayin cika girma sama da 70%, tsayayyen tsarin ƙirar ƙirar algorithms (RAID / LVM), baya ba ku damar rarraba bayanai yadda yakamata akan ƙimar mahimmin abu.
A cikin FS mai daidaituwa, kafin ƙara na'ura zuwa ƙimar hankali, dole ne a tsara ta tare da daidaitaccen mkfs mai amfani.
Ba kamar ZFS ba, Reiser5 baya aiwatar da Layer ɗin kansa, kodayake yana amfani da mai ba da kyauta kyauta O (1). Zai yiwu a tsara a hanya mai sauƙi da ingancie ƙarar ma'ana daga na'urorin toshewa masu girma dabam da bandwidth. Ana rarraba bayanan tsakanin waɗannan na'urori ta amfani da sabbin matakan algorithms.
A cikin sanarwar wannan tsarin gwajin Edward Shishkin yayi sharhi:
Ina mai farin cikin sanar da sabuwar hanyar da za'a kara na'urorin toshewa zuwa adadin ma'ana akan na’urar gida
Ina tsammanin sabon matakin cancanta ne a cikin tsarin fayil (da tsarin aiki) ci gaba: ƙididdigar cikin gida tare da daidaitaccen daidaituwa ...
A hanyarmu, ana yin sikelin kwance ta hanyar tsarin fayil, maimakon hanyar toshe hanyar. Mai amfani yana sarrafa kwararar buƙatun I / O da aka bayar don kowane na'ura ...
Kamar yadda Edward Shishkin yayi sharhi: wani ɓangare na buƙatun I / O da aka tura wa kowace na'ura daidai yake da relativearfin da mai amfani ya ba shidon haka ƙimar ma'ana ta cika da bayanai "daidai" da "daidai".
A lokaci guda, ƙananan na'urorin toshe ƙananan suna karɓar tubalan kaɗan don adanawa, kuma ƙananan na'urori masu yin aiki ba su zama abin damuwa ba (kamar yadda lamarin yake, misali, a cikin RAID arrays).
Adara na'ura zuwa ƙarar kuma cire na'urar daga ƙarar tana tare da sake daidaitawa wannan yana kiyaye "adalci" na rarrabawa.
Duk haɗaɗɗun na'urorin toshewa ana iya kiyaye su lokaci guda akan ƙimar ma'ana ta amfani da tsarin mutum ɗaya don ɗayansu (ɓarna don rumbun kwamfutoci, aika tambayoyin jeji don SSD, da sauransu)
Kyakkyawan sarari a kan ƙimar hankali yana sarrafa daidaitaccen mai amfani df (1). Bugu da kari, mai amfani yana da damar saka idanu kan sararin samaniya kyauta akan kowane bangare na na'urar girma mai ma'ana.
An sami ci gaba mai mahimmanci a cikin sikelin kwance ta amfani da fayil ɗin hanyar sadarwa mai layi ɗaya (GPFS, Luster, da sauransu). Koyaya, ba a bayyana ba, yadda ake nema
fasahar ku ga FS na gida.Mafi mahimmanci, saboda saboda a cikin fayil na gida tsarin bashi da kayan alatu kamar na "ajiya ta ƙarshe" azaman hanyar sadarwa suna yi. Abin da FS na cikin gida keɓaɓɓiyar haɗuwa ce hulɗa tare da layin toshe. Misali, akan Linux Linux na gida zaka iya kawai tsarawa tare da gabatar da buƙatar I / O akan wasu abubuwan ajiyewa.
Daga cikin abubuwan da har yanzu suna cikin jerin TODO na Reiser5 su ne:
- FSCK haɓakawa don tallafawa kundin ma'ana
- Asymmetric LV tare da fiye da ɗaya toshe na metadata ta volumeara
- daidaitaccen ma'ana kundin
- 3D hotunan gaggawa na LV
- Rarraba metadata a cikin ƙananan juzu'i da yawa
- Duba / dawo da kundin ma'ana ta amfani da fsck mai amfani (haɓakawa daga sigar da ta gabata)
- Volididdigar duniya (cibiyoyin sadarwa), ƙara na'urori akan injuna daban-daban.
Idan kana son karin bayani game da shi, zaka iya tuntuba mahada mai zuwa.
Kai, na zata reiserfs ya mutu bayan Hans ..